[{"id":153773,"question":"Aldehydes are easily oxidized to corresponding carboxylic acids in the presence of:","choices":[{"text":"Strong oxidizing agents","value":"A"},{"text":"Highly strong oxidizing agents","value":"B"},{"text":"Tollen's reagent","value":"C"},{"text":"Tollen's reagent and Fehling solution","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153772,"question":"Primary alcohols and aldehydes are oxidized to corresponding:","choices":[{"text":"Alkanes","value":"A"},{"text":"Alkenes","value":"B"},{"text":"Alkynes","value":"C"},{"text":"Carboxylic acids","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153771,"question":"Which method is not used in preparation of acetic acid?","choices":[{"text":"Oxidation of ethane","value":"A"},{"text":"Hydrolysis of ethyl acetate","value":"B"},{"text":"Reaction of CO<sub>2</sub>with CH<sub>3</sub>MgX","value":"C"},{"text":"Oxidation of methane","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153770,"question":"Which method is used to prepare carboxylic acid?","choices":[{"text":"Hydrolysis of AI<sub>4</sub>C<sub>3</sub>","value":"A"},{"text":"Hydrolysis of CaC<sub>2</sub>","value":"B"},{"text":"Hydrolysis of alkyl nitrites","value":"C"},{"text":"Hydrolysis of alkenes","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153769,"question":"Carboxylic acid can be prepared from:","choices":[{"text":"Hydrolysis of alkyl nitrites","value":"A"},{"text":"Reaction of CO<sub>2</sub>with Gringard's reagent","value":"B"},{"text":"Hydrolysis of esters","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153768,"question":"Carboxylic acids can be prepared from:","choices":[{"text":"Oxidation of alkane","value":"A"},{"text":"Oxidation of alcohols","value":"B"},{"text":"Oxidation of aldehydes","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153767,"question":"CH<sub>3</sub>CH<sub>2</sub>COOH is also named as:","choices":[{"text":"Propionic acid","value":"A"},{"text":"Propanoic acid","value":"B"},{"text":"Acetic acid","value":"C"},{"text":"Both (a) &amp; (b)","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153766,"question":"Acetic acid is also named:","choices":[{"text":"Methanoic acid","value":"A"},{"text":"Ethanoic acid","value":"B"},{"text":"Propanoic acid","value":"C"},{"text":"Butanoic acid","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153765,"question":"Carboxylic acid is given name by replacing \"a\" of alkane by:","choices":[{"text":"\"oic\" acid","value":"A"},{"text":"\"one\"","value":"B"},{"text":"\"al\"","value":"C"},{"text":"\"ol\"","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153764,"question":"Formic acid is obtained from red out by:","choices":[{"text":"Distillation","value":"A"},{"text":"Crystallization","value":"B"},{"text":"Filtration","value":"C"},{"text":"Sublimation","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153763,"question":"Butyric acid was named from butyrum means:","choices":[{"text":"Red out","value":"A"},{"text":"Vinegar","value":"B"},{"text":"Butter","value":"C"},{"text":"Milk","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153762,"question":"Acetic acid is obtained from:","choices":[{"text":"Red out","value":"A"},{"text":"Vinegar","value":"B"},{"text":"Butter","value":"C"},{"text":"Milk","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153761,"question":"Formic acid is given name from Latin word a \"formic\" which means:","choices":[{"text":"Red out","value":"A"},{"text":"Vinegar","value":"B"},{"text":"Butter","value":"C"},{"text":"Milk","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153760,"question":"Common names of carboxylic acids are given by then:","choices":[{"text":"Source","value":"A"},{"text":"Person discovered","value":"B"},{"text":"Place","value":"C"},{"text":"Habit","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153759,"question":"Formula of stearic acid is:","choices":[{"text":"C<sub>11</sub>H<sub>23</sub>COOH","value":"A"},{"text":"C<sub>13</sub>H<sub>27</sub>COOH","value":"B"},{"text":"C<sub>15</sub>H<sub>31</sub>COOH","value":"C"},{"text":"C<sub>17</sub>H<sub>35</sub>COOH","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153758,"question":"Formula of paltimic acid is:","choices":[{"text":"C<sub>11</sub>H<sub>22</sub>COOH","value":"A"},{"text":"C<sub>13</sub>H<sub>27</sub>COOH","value":"B"},{"text":"C<sub>15</sub>H<sub>31</sub>COOH","value":"C"},{"text":"C<sub>17</sub>H<sub>35</sub>COOH","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153757,"question":"Palmitic acid &amp; steanic acid are obtained from process of fats &amp; oils:","choices":[{"text":"Reducing","value":"A"},{"text":"Neutralization","value":"B"},{"text":"Oxidation","value":"C"},{"text":"Hydrolysis","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153756,"question":"Fatty acids are:","choices":[{"text":"Aliphatic mono-carboxylic acids","value":"A"},{"text":"Di-carboxylic acids","value":"B"},{"text":"Tri-carboxylic acids","value":"C"},{"text":"Tetra carboxylic acids","value":"D"},{"text":"Poly carboxylic acids","value":"E"}],"correctAnswer":1},{"id":153755,"question":"Carboxylic acid having more than one carboxyl group are called:","choices":[{"text":"Mono-carboxylic acid","value":"A"},{"text":"Di-carboxylic acid","value":"B"},{"text":"Tri-carboxylic acid","value":"C"},{"text":"Poly carboxylic acid","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153753,"question":"Carboxylic acid having two carboxyl group are:","choices":[{"text":"Mono-carboxylic acid","value":"A"},{"text":"Di-carboxylic acid","value":"B"},{"text":"Tri-carboxylic acid","value":"C"},{"text":"Tetra carboxylic acid","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153752,"question":"Carboxylic acid having three carboxyl groups are:","choices":[{"text":"Mono carboxylic acid","value":"A"},{"text":"Di-carboxylic acid","value":"B"},{"text":"Tri-carboxylic acid","value":"C"},{"text":"Tetra carboxylic acid","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153751,"question":"Carboxylic acids having carboxyl group one is called:","choices":[{"text":"Mono carboxylic acid","value":"A"},{"text":"Di-carboxylic acid","value":"B"},{"text":"Teri-carboxylic acid","value":"C"},{"text":"Tetra carboxylic acid","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153750,"question":"General formula of aliphatic carboxylic acids:","choices":[{"text":"R-OH","value":"A"},{"text":"R-COH","value":"B"},{"text":"R-CO-R","value":"C"},{"text":"RCOOH","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153749,"question":"Aromatic carboxylic acids have corboxyl group attached to group:","choices":[{"text":"Alkyl group","value":"A"},{"text":"Aryl group","value":"B"},{"text":"Phenyl group","value":"C"},{"text":"Benzyl group","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153620,"question":"Nitrogen percentage in atmosphere is:","choices":[{"text":"76%","value":"A"},{"text":"77%","value":"B"},{"text":"78%","value":"C"},{"text":"79%","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153619,"question":"Atmosphere consists of gasses:","choices":[{"text":"N<sub>2</sub>","value":"A"},{"text":"O<sub>2</sub>","value":"B"},{"text":"Ar","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153618,"question":"Region of earth capable of supporting life is called:","choices":[{"text":"Atmosphere","value":"A"},{"text":"Hydrosphere","value":"B"},{"text":"Lithosphere","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153617,"question":"Rigid rocky crust earth upto a depth of 100 km is called:","choices":[{"text":"Atmosphere","value":"A"},{"text":"Hydrosphere","value":"B"},{"text":"Lithosphere","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153616,"question":"Water bodies are included in:","choices":[{"text":"Atmosphere","value":"A"},{"text":"Hydrosphere","value":"B"},{"text":"Lithosphere","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153615,"question":"The layer of gases around the earth are called?","choices":[{"text":"Atmosphere","value":"A"},{"text":"Hydrosphere","value":"B"},{"text":"Lithosphere","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153614,"question":"What is component of environment?","choices":[{"text":"Atmosphere","value":"A"},{"text":"Hydrosphere","value":"B"},{"text":"Lithosphere","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153609,"question":"The scope of environmental chemistry is to study:","choices":[{"text":"Source of chemicals","value":"A"},{"text":"Transportation of chemicals","value":"B"},{"text":"Transportation of toxic chemical","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153608,"question":"The branch of chemistry interlinked with biology, physics, medicines, agriculture, public health and sanitary engineering etc. is:","choices":[{"text":"Biochemistry","value":"A"},{"text":"Physical chemistry","value":"B"},{"text":"Pharmaceutical chemistry","value":"C"},{"text":"Environmental chemistry","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153607,"question":"Chemistry related to the study of environment affected by the chemicals and pollutants is called:","choices":[{"text":"Biochemistry","value":"A"},{"text":"Physically chemistry","value":"B"},{"text":"Pharmaceutical chemistry","value":"C"},{"text":"Environmental chemistry","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153606,"question":"The rigid rocky part of earth crust called lithosphere extends upto a depth of:","choices":[{"text":"10 km","value":"A"},{"text":"100 km","value":"B"},{"text":"1000 km","value":"C"},{"text":"1500 km","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153605,"question":"Components of environment is (in km) around the earth:","choices":[{"text":"10 km","value":"A"},{"text":"100 km","value":"B"},{"text":"1000 km","value":"C"},{"text":"1500 km","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153604,"question":"The layer of earth around the earth is called:","choices":[{"text":"Atmosphere","value":"A"},{"text":"Hydrosphere","value":"B"},{"text":"Lithosphere","value":"C"},{"text":"Biosphere","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153603,"question":"Nitrogen in the atmosphere is:","choices":[{"text":"78%","value":"A"},{"text":"21%","value":"B"},{"text":"0.9%","value":"C"},{"text":"0.03%","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153602,"question":"Reason of pollution are:","choices":[{"text":"Population and urbanization","value":"A"},{"text":"Transportation","value":"B"},{"text":"Industrialization","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153601,"question":"Volcanoes produce SO<sub>2</sub>:","choices":[{"text":"47%","value":"A"},{"text":"57%","value":"B"},{"text":"67%","value":"C"},{"text":"77%","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153600,"question":"Coal contains sulphur in it:","choices":[{"text":"1-3%","value":"A"},{"text":"1-6%","value":"B"},{"text":"1-9%","value":"C"},{"text":"1-12%","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153599,"question":"Main cause of reducing map is:","choices":[{"text":"Combustion of coal","value":"A"},{"text":"NO and NO<sub>2</sub>","value":"B"},{"text":"Un-burnt hydrocarbons","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153598,"question":"Unit of ozone is?","choices":[{"text":"Debye","value":"A"},{"text":"Dobson","value":"B"},{"text":"Esu","value":"C"},{"text":"Coulumb","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153597,"question":"Depletion of ozone is more during the month:","choices":[{"text":"Jan-March","value":"A"},{"text":"April-Jun","value":"B"},{"text":"July-Aug","value":"C"},{"text":"Sept-Nov","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153596,"question":"A single free chlorine redical can destroy ozone molecules upto:","choices":[{"text":"100000","value":"A"},{"text":"100","value":"B"},{"text":"1000","value":"C"},{"text":"10000","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153595,"question":"How much pesticides have been synthesized at present?","choices":[{"text":"Four thousand","value":"A"},{"text":"Six thousand","value":"B"},{"text":"Eight thousand","value":"C"},{"text":"Ten thousand","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153594,"question":"Forms of waste products:","choices":[{"text":"Heat","value":"A"},{"text":"Smoke","value":"B"},{"text":"Solid","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153593,"question":"Contamination of water of tanning industries is due to:","choices":[{"text":"Cr(III)","value":"A"},{"text":"Cr(VI)","value":"B"},{"text":"Mn(III)","value":"C"},{"text":"Mn(VII)","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153592,"question":"Factors affecting quality of water:","choices":[{"text":"D.O","value":"A"},{"text":"BOD","value":"B"},{"text":"COD","value":"C"},{"text":"a,b,c","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153591,"question":" BOD is the oxygen demand with in day(s):","choices":[{"text":"Four","value":"A"},{"text":"Two","value":"B"},{"text":"Three","value":"C"},{"text":"Five","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153590,"question":"BOD is the oxygen demand with in day(s):","choices":[{"text":"Four","value":"A"},{"text":"Two","value":"B"},{"text":"Three","value":"C"},{"text":"Five","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153589,"question":"Water is purified by the process:","choices":[{"text":"Aeration","value":"A"},{"text":"Coagulation","value":"B"},{"text":"Chlorination","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153588,"question":"Which is used as a coagulant:","choices":[{"text":"Ferric salts","value":"A"},{"text":"Potash alum","value":"B"},{"text":"a and b both","value":"C"},{"text":"Chlorine","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153587,"question":"Chloroform is carcinogenic:","choices":[{"text":"Heart","value":"A"},{"text":"Lungs","value":"B"},{"text":"Liver","value":"C"},{"text":"Kidney","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153586,"question":"Newspaper can be recycled again and again by how many times?","choices":[{"text":"2","value":"A"},{"text":"3","value":"B"},{"text":"4","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153584,"question":"The temperature in the incineration process has a range:","choices":[{"text":"900 to 1000<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"A"},{"text":"650 to 1100<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"B"},{"text":"950 to 1300<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"C"},{"text":"500 to 900<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153583,"question":"In purification of potable water the coagulant used is:","choices":[{"text":"Nickel sulphate","value":"A"},{"text":"Copper sulphate","value":"B"},{"text":"Barium sulphate","value":"C"},{"text":"Aluminium sulphate","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153581,"question":"The main pollutant of leather in the waste water is due to the salt of:","choices":[{"text":"Lead","value":"A"},{"text":"Chromium (VI)","value":"B"},{"text":"Copper","value":"C"},{"text":"Chromium (III)","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153579,"question":"DDT is a:","choices":[{"text":"Fungicide","value":"A"},{"text":"Insecticide","value":"B"},{"text":"Herbicide","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153578,"question":" Fungicides are the pesticides which:","choices":[{"text":"Control the growth of fungus","value":"A"},{"text":"Kills insects","value":"B"},{"text":"Kills plants","value":"C"},{"text":"Kill herb","value":"D"},{"value":"E"}],"correctAnswer":1}]