[{"id":267106,"question":"Whof the following represent sand?","choices":[{"text":"NaCl","value":"A"},{"text":"CaCO3","value":"B"},{"text":"H2O","value":"C"},{"text":"CH2O","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267105,"question":"Empirical formula of acetic acid (CH3COOH) is","choices":[{"text":"CHO","value":"A"},{"text":"CH","value":"B"},{"text":"CH2O","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267104,"question":"Emperical Formula of Glucose is","choices":[{"text":"CH2O","value":"A"},{"text":"CHO","value":"B"},{"text":"CHO2","value":"C"},{"text":"C2HO","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267103,"question":"Empricial formula of sand is.","choices":[{"text":"SiO2","value":"A"},{"text":"SiO3","value":"B"},{"text":"SiO4","value":"C"},{"text":"SiO","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267102,"question":"Whcih law is obeyed in chemicla calculations?","choices":[{"text":"Law of mass action","value":"A"},{"text":"Law of conservationof mass","value":"B"},{"text":"Law of definite proportion","value":"C"},{"text":"Both a and b","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267101,"question":"Without stoichiometry which industry cannot exist.","choices":[{"text":"Meta","value":"A"},{"text":"Petroleium","value":"B"},{"text":"Leather","value":"C"},{"text":"Chemical","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267100,"question":"Stochiometric calculators are used to prepare.","choices":[{"text":"Soaps","value":"A"},{"text":"Shampo","value":"B"},{"text":"Perfumes","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267099,"question":"Which of the following is insoluble salt","choices":[{"text":"KCl","value":"A"},{"text":"AgCl","value":"B"},{"text":"NaCl","value":"C"},{"text":"CaCl2","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267098,"question":"Avogadrao was a scientist","choices":[{"text":"Italian","value":"A"},{"text":"Greek","value":"B"},{"text":"Garman","value":"C"},{"text":"African","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267097,"question":"Formula of Ozone.","choices":[{"text":"O<sub>2</sub>","value":"A"},{"text":"S<sub>8</sub>","value":"B"},{"text":"CO<sub>2</sub>","value":"C"},{"text":"O<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267096,"question":"What mass of 95% CaCO3 will be requred to neutralize 50 cm 3 of 0.5 M HCl solution.","choices":[{"text":"9.5 g","value":"A"},{"text":"1.45 g","value":"B"},{"text":"1.32 g","value":"C"},{"text":"1.25 g","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267095,"question":"When one mole of each of the following compounds is reacted with oxygen, which wil produce the maximum amount CO2?","choices":[{"text":"Carbon","value":"A"},{"text":"Ethane","value":"B"},{"text":"Diamond","value":"C"},{"text":"Methane","value":"D"},{"value":"E"}],"correctAnswer":2}]