[{"id":127459,"question":"Digestion of carbohydrates begins in the","choices":[{"text":"large intestine","value":"A"},{"text":"Small intestine","value":"B"},{"text":"Duoderium","value":"C"},{"text":"Buccal cavity / mouth","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127458,"question":"On hydrolysis sucrose gives","choices":[{"text":"Glucose and maltose","value":"A"},{"text":"Fructose and lactose","value":"B"},{"text":"Fructose and maltose","value":"C"},{"text":"Glucose and fructose","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127457,"question":"Monosacharide belong to the group","choices":[{"text":"Fats","value":"A"},{"text":"Carbohydrates","value":"B"},{"text":"Lipids","value":"C"},{"text":"Proteins","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127456,"question":"Daily protein intake for normal adults should be","choices":[{"text":"0.2 g/kg","value":"A"},{"text":"0.5 g/kg","value":"B"},{"text":"0.8 g/kg","value":"C"},{"text":"1.1 g/kg","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127446,"question":"The energy produced by a carbohydrate is","choices":[{"text":"3 kcal/gm","value":"A"},{"text":"2 kcal / gm","value":"B"},{"text":"6kcal / gm","value":"C"},{"text":"4 kcal/ gm","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127445,"question":"Benedict solution gives a positive test with","choices":[{"text":"Glucose","value":"A"},{"text":"Fructose","value":"B"},{"text":"Sucrose","value":"C"},{"text":"Starch","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127444,"question":"In cyclic structure of glucose when the position of atoms on Carbon 1 is altered one isomer changes to other. These isomers of glucose are called","choices":[{"text":"Annomers","value":"A"},{"text":"Position isomers","value":"B"},{"text":"Meta-mess","value":"C"},{"text":"Cis-trans isomers","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127442,"question":"One gram of carbohydrate yields energy","choices":[{"text":"10 kcal","value":"A"},{"text":"100 kcal","value":"B"},{"text":"4 kcal","value":"C"},{"text":"9 kcal","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127440,"question":"A molecule of polysacharide on hydrolysis produces ______ molecules of monosacharide","choices":[{"text":"2 - 10","value":"A"},{"text":"3","value":"B"},{"text":"10","value":"C"},{"text":"2","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127439,"question":"Keratomalacia is caused due to the deficiency of vitamin","choices":[{"text":"A","value":"A"},{"text":"K","value":"B"},{"text":"B","value":"C"},{"text":"D","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127438,"question":"Which one of the following organic acids is made from methanol","choices":[{"text":"Propanoic acid","value":"A"},{"text":"Butanoic acid","value":"B"},{"text":"Formic acid","value":"C"},{"text":"Acetic acid","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127436,"question":"A complete food contains at least","choices":[{"text":"Three nutrients","value":"A"},{"text":"Ten nutrients","value":"B"},{"text":"Six nutrients","value":"C"},{"text":"Ten nutrients","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127433,"question":"Which substances do not react immediately with bromine water","choices":[{"text":"Wthane","value":"A"},{"text":"Benzene","value":"B"},{"text":"Ethene","value":"C"},{"text":"Phenol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127431,"question":"Coenzymes are the species which increase the activity of enzymes. They are chemically","choices":[{"text":"Metal ions","value":"A"},{"text":"non-metals","value":"B"},{"text":"Organic acids","value":"C"},{"text":"Organic bases","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127428,"question":"The optimum pH value for the enzyme pepsin is","choices":[{"text":"10","value":"A"},{"text":"1.4","value":"B"},{"text":"8","value":"C"},{"text":"6","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127426,"question":"Which is the optimum temperature for the activity of enzyme","choices":[{"text":"20 - 35°C","value":"A"},{"text":"10 - 15°C","value":"B"},{"text":"55 - 70°C","value":"C"},{"text":"35 - 55°C","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127424,"question":"Starch is a polymer of","choices":[{"text":"Sucrose","value":"A"},{"text":"Fructose","value":"B"},{"text":"<span style=\"color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 224);\"><i>α</i></span>-D-Glucose","value":"C"},{"text":"Lactose","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127421,"question":"Nylon 6, 6 is a condensation polymer of","choices":[{"text":"Phthalic acid and hexa ethylene diamine","value":"A"},{"text":"Adipic acid and hexaethylene diamine","value":"B"},{"text":"Phthalic acid and glycerol","value":"C"},{"text":"Adipic acid and glycerol","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127418,"question":"Which one among the following is not a natural polymer","choices":[{"text":"Protein","value":"A"},{"text":"Cellulose","value":"B"},{"text":"Nylon","value":"C"},{"text":"Nucleic acid","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127416,"question":"Plastic are a pollution problem because many plastics","choices":[{"text":"Burn to produce toxic fumes","value":"A"},{"text":"Decompose to produce toxic products","value":"B"},{"text":"Are made from petroleum","value":"C"},{"text":"Are very inflammable","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127414,"question":"The mechanism of polymerization involves free radical addition polymerization or condensation polymerization. Choose the correct statement","choices":[{"text":"Polyester is an addition polymer","value":"A"},{"text":"Polythene is an addition polymer","value":"B"},{"text":"Polyvinyl chloride (PVC) is a condensation polymer","value":"C"},{"text":"Polystyrene","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127411,"question":"Thermoplastic polymer can be softened and hardened when cool repeatedly. Which one is not a thermoplastic among the following","choices":[{"text":"Epoxy resin","value":"A"},{"text":"PVC","value":"B"},{"text":"Plastic toys","value":"C"},{"text":"None of all","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127409,"question":"Lipids are naturally occurring compounds produced in cell and are water insoluble but soluble in organic solvents. One of the followings is not a lipid. Select among the following","choices":[{"text":"Nucleic acid","value":"A"},{"text":"A triglyceride","value":"B"},{"text":"Sterol","value":"C"},{"text":"Vitamin D","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127406,"question":"A fat or oil is characterized for extent of unsaturation by one of the following number. Which one is","choices":[{"text":"Acid number","value":"A"},{"text":"Saoilucfucation number","value":"B"},{"text":"Rancidity number","value":"C"},{"text":"Iodine number","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127404,"question":"Choose an addition polymer among the following","choices":[{"text":"Terylone","value":"A"},{"text":"Nylon 6, 6","value":"B"},{"text":"Polystyrene","value":"C"},{"text":"Epoxy resin","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127401,"question":"Which one of the following is not type of polemer","choices":[{"text":"Copolymer","value":"A"},{"text":"Homopolymer","value":"B"},{"text":"Terpolymer","value":"C"},{"text":"Heteropolymer","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127399,"question":"Which one of the following statements about glucose and sucrose is incorrect","choices":[{"text":"Both are soluble in water","value":"A"},{"text":"Both are naturally occurring","value":"B"},{"text":"Both are carbohydrates","value":"C"},{"text":"Both are disacharides","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127396,"question":"The reaction between fat and NaOH is called","choices":[{"text":"Esterification","value":"A"},{"text":"Hydrogenolysis","value":"B"},{"text":"Fermentation","value":"C"},{"text":"Sponification","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127395,"question":"Which one of the following enzymes brings about the hydrolysis of fats","choices":[{"text":"Urease","value":"A"},{"text":"Maltase","value":"B"},{"text":"Zymase","value":"C"},{"text":"Lypase","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127392,"question":"Which one of the following is a water soluble vitamin","choices":[{"text":"Niacin","value":"A"},{"text":"Riboflavin","value":"B"},{"text":"Trypsin","value":"C"},{"text":"Ascobic acid","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127391,"question":"Which of the following is not an inorganic macromolecule","choices":[{"text":"Graphite","value":"A"},{"text":"Sand","value":"B"},{"text":"Strach","value":"C"},{"text":"Diamond","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127388,"question":"Which of the following is not a charbohydrate","choices":[{"text":"Nuclic acid","value":"A"},{"text":"Starch","value":"B"},{"text":"Glycoyen","value":"C"},{"text":"Cellulose","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127386,"question":"One of the following is not a biopolymer. Point out that one","choices":[{"text":"Lipid","value":"A"},{"text":"Starch","value":"B"},{"text":"Diamond","value":"C"},{"text":"Protein","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127382,"question":"The structure of a polymer depends upon how the monomer-repeating unit joins to make a polymer. What is not the type of structure of a polymer","choices":[{"text":"Synthetic polymer","value":"A"},{"text":"Linear polymer","value":"B"},{"text":"Branched","value":"C"},{"text":"Cross linked or inter connected polymer","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":127381,"question":"Which one of the following elements is not present in all protens","choices":[{"text":"Carbon","value":"A"},{"text":"Hydrogen","value":"B"},{"text":"Nitrogen","value":"C"},{"text":"Sulphur","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127380,"question":"Vegetables oils are","choices":[{"text":"Unsaturated fatty acids","value":"A"},{"text":"Glycerides of unsaturated fatty acids","value":"B"},{"text":"Glycerides of saturated fatty acids","value":"C"},{"text":"Essential oils obtained from plants","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127379,"question":"A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called","choices":[{"text":"Fibre","value":"A"},{"text":"Plastic","value":"B"},{"text":"Varnish","value":"C"},{"text":"Polyamide resin","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127378,"question":"The fibre which is made from acrylonitrile as monomers","choices":[{"text":"PVC","value":"A"},{"text":"Rayon fibre","value":"B"},{"text":"Acrylic fibre","value":"C"},{"text":"Polyester fibre","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127377,"question":"Cholesterol is a precursor of steroid hormones. Choose the class of steroid","choices":[{"text":"A carbohydrate","value":"A"},{"text":"A hydrocarbon","value":"B"},{"text":"A natural lipid","value":"C"},{"text":"A protein a hydrocarbon","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127376,"question":"Macromolecules or polymers are large molecules built up from small molecules known as monomers. This hypothesis put forward by","choices":[{"text":"Newton","value":"A"},{"text":"Schrodinger","value":"B"},{"text":"Lewis","value":"C"},{"text":"Stadinger","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127375,"question":"The molecular mass of a polymer is obtained by multiplying mass of the monomer unit the degree of polymerization. The degree of polymerization of PVC is 1000. What is molecular mass","choices":[{"text":"65000","value":"A"},{"text":"63000","value":"B"},{"text":"62000","value":"C"},{"text":"60000","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127374,"question":"Plastics are pollution problem because many plastics","choices":[{"text":"Are made from petroleum","value":"A"},{"text":"Are very inflammable","value":"B"},{"text":"Burn to produce toxic fumes","value":"C"},{"text":"Decompose to produce toxic products","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127373,"question":"Which of these polymers is a synthetic polymer","choices":[{"text":"Animal fat","value":"A"},{"text":"Strach","value":"B"},{"text":"Cellulose","value":"C"},{"text":"Polyester","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127372,"question":"Which of these polymers is an addition polymer","choices":[{"text":"Nylon 6, 6","value":"A"},{"text":"Polystyrene","value":"B"},{"text":"Terylene","value":"C"},{"text":"Epoxy resin","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":127371,"question":"In which of the following processes are small organic molecules made into macromolecules","choices":[{"text":"The cracking of petroleum fractions","value":"A"},{"text":"The fractional distillation of crude oil","value":"B"},{"text":"The polymerization of ethene","value":"C"},{"text":"The hydrolysis of protein","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127370,"question":"Denaturation of protein means the structure of protein is disrupted indicate which factor does not denature protein","choices":[{"text":"Oxidizing agent","value":"A"},{"text":"Heat protein","value":"B"},{"text":"Keeping pH 7.35","value":"C"},{"text":"pH changes","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":127369,"question":"In which of these processes are smell organic molecules changed into macromolecules","choices":[{"text":"The fractional distillation of crude oil","value":"A"},{"text":"The cracking of petroleum fraction","value":"B"},{"text":"The hydrolysis of proteins","value":"C"},{"text":"The polymerization","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":127368,"question":"Which of these polymers is a synthetic polymer","choices":[{"text":"Starch","value":"A"},{"text":"Animal fat","value":"B"},{"text":"Polyester in an addition polymer","value":"C"},{"text":"Cellulose","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":118952,"question":"<div></div><div><table class=\"bix-tbl-container\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 12px;\"><tbody><tr><td class=\"bix-td-qtxt\" valign=\"top\" style=\"font-family: Verdana, Arial, Tahoma; font-size: 12px;\">Major cause of SO2 on global scale is</td></tr></tbody></table></div>","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Volcanoes</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Electric sparks</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Combustion</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">All</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":118951,"question":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Arial, Tahoma; font-size: 12px;\">Residence time of methane in the atmosphere is</span>","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">3 - 7 days</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">2 -3 days</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">3 - 7 years</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">2 - 3 years</span>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":118950,"question":"<div></div><div><table class=\"bix-tbl-container\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 12px;\"><tbody><tr><td class=\"bix-td-qtxt\" valign=\"top\" style=\"font-family: Verdana, Arial, Tahoma; font-size: 12px;\">Which of the following is not a secondary pollutant</td></tr></tbody></table></div>","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Ozone</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Carbonic acid</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Sulphuric acid</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Carbon dioxide</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":118949,"question":"<div></div><div><table class=\"bix-tbl-container\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 12px;\"><tbody><tr><td class=\"bix-td-qtxt\" valign=\"top\" style=\"font-family: Verdana, Arial, Tahoma; font-size: 12px;\">Three elements needed for the healthy growth of plants are</td></tr></tbody></table></div>","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">N P K</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">N K C</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">N S P</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">N Ca P</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":118948,"question":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Arial, Tahoma; font-size: 12px;\">Requirement of macronutrient per acre of the land is</span>","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">5 to 200 kg</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">20-200 kg</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">200-400 kg</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">30-400 kg</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":118947,"question":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Arial, Tahoma; font-size: 12px;\">Which of the following is a macronutrient?</span>","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Boron</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Iron</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Copper</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Carbon</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":118946,"question":"<div></div><div><table class=\"bix-tbl-container\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma, Arial, sans-serif; font-size: 12px;\"><tbody><tr><td class=\"bix-td-qtxt\" valign=\"top\" style=\"font-family: Verdana, Arial, Tahoma; font-size: 12px;\">Which of the following is not a heavy industry?</td></tr></tbody></table></div>","choices":[{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Iron</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Fertilize</span>","value":"B"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">Paper</span>","value":"C"},{"text":"<span style=\"color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;\">None</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":118915,"question":"<span style=\"color: rgb(0, 0, 0); font-size: 15.84px;\">Water exist in only</span>","choices":[{"text":"<span style=\"font-size: 0.95em;\">One state</span>","value":"A"},{"text":"<span style=\"font-size: 0.95em;\">Two state</span>","value":"B"},{"text":"Three states","value":"C"},{"text":"<span style=\"font-size: 0.95em;\">4 states</span>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":118914,"question":"<span style=\"color: rgb(0, 0, 0); font-size: 15.84px;\">Hard water can block radiators due to formation of</span>","choices":[{"text":"<span style=\"font-size: 0.95em;\">Insoluble calcium and magnesium salts</span>","value":"A"},{"text":"<span style=\"font-size: 0.95em;\">Insoluble sodium salts</span>","value":"B"},{"text":"<span style=\"font-size: 0.95em;\">In soluble phosphate salts</span>","value":"C"},{"text":"<span style=\"font-size: 0.95em;\">Insoluble potassium salts</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":118913,"question":"<span style=\"color: rgb(0, 0, 0); font-size: 15.84px;\">Addition of washing soda removes</span>","choices":[{"text":"<span style=\"font-size: 0.95em;\">Softness of water</span>","value":"A"},{"text":"<span style=\"color: rgb(0, 0, 0); font-size: 0.95em;\">Temporary hardness of water</span><br>","value":"B"},{"text":"<span style=\"font-size: 0.95em;\">Permanent hardness of water</span>","value":"C"},{"text":"<span style=\"font-size: 0.95em;\">Hydrogen from water</span>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":118912,"question":"<span style=\"color: rgb(0, 0, 0); font-size: 15.84px;\">Temporary hardness can be removed by adding</span>","choices":[{"text":"<span style=\"font-size: 0.95em;\">Lime</span>","value":"A"},{"text":"<span style=\"font-size: 0.95em;\">Carbon</span>","value":"B"},{"text":"<span style=\"font-size: 0.95em;\">Oxygen</span>","value":"C"},{"text":"<span style=\"font-size: 0.95em;\">Slaked lime</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":118911,"question":"<span style=\"color: rgb(0, 0, 0); font-size: 15.84px;\">Hardness which can be removed by boiling is called</span>","choices":[{"text":"<span style=\"font-size: 0.95em;\">Permanent hardness</span>","value":"A"},{"text":"<span style=\"font-size: 0.95em;\">Temporary hardness</span>","value":"B"},{"text":"<span style=\"font-size: 0.95em;\">Stiffness</span>","value":"C"},{"text":"<span style=\"font-size: 0.95em;\">Toughness</span>","value":"D"},{"value":"E"}],"correctAnswer":2}]