[{"id":267118,"question":"Limes is another name of","choices":[{"text":"Sodium hydroxide","value":"A"},{"text":"Sodium Carbonate","value":"B"},{"text":"Calcium Carbonate","value":"C"},{"text":"Silicon dioxide","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267117,"question":"The mass number of sodium is.","choices":[{"text":"19","value":"A"},{"text":"31","value":"B"},{"text":"27","value":"C"},{"text":"23","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267116,"question":"Numbr of hydrogen atoms present in 18 g of water.","choices":[{"text":"2 x NA","value":"A"},{"text":"N<sub>A</sub>","value":"B"},{"text":"3 x N<sub>A</sub>","value":"C"},{"text":"1/2 N<sub>A</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267115,"question":"Molecular mass of Acetic Acid","choices":[{"text":"70 amu","value":"A"},{"text":"43 amu","value":"B"},{"text":"60 amu","value":"C"},{"text":"80 amu","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267114,"question":"Formula mass of K2SO4 is.","choices":[{"text":"174 amu","value":"A"},{"text":"110 amu","value":"B"},{"text":"180 amu","value":"C"},{"text":"145 amu","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267113,"question":"Formula of common salt is","choices":[{"text":"NaCl","value":"A"},{"text":"AgCl","value":"B"},{"text":"LiCl","value":"C"},{"text":"KCl","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267112,"question":"1- gram atom of carbon contain hwo many moles.","choices":[{"text":"1 mole","value":"A"},{"text":"2 mole","value":"B"},{"text":"6 moles","value":"C"},{"text":"12 moles","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267111,"question":"1 gram formula of NaCl contan is grams.","choices":[{"text":"100 g","value":"A"},{"text":"58.5 g","value":"B"},{"text":"32 g","value":"C"},{"text":"49 g","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267110,"question":"Value of Avagadro's number is.","choices":[{"text":"6.6 x 10<sup>-20</sup>","value":"A"},{"text":"6.02 x 10<sup>23</sup>","value":"B"},{"text":"6.00 x 10<sup>24</sup>","value":"C"},{"text":"1.32 x 10<sup>23</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267109,"question":"Which compund has same molecular and emiprical formula.","choices":[{"text":"C6H12 O6","value":"A"},{"text":"H2O2","value":"B"},{"text":"H2O","value":"C"},{"text":"C6H6","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267108,"question":"Empirical formula of Benzene is.","choices":[{"text":"CH2O","value":"A"},{"text":"CH","value":"B"},{"text":"C2H","value":"C"},{"text":"CH2","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267107,"question":"Empirical formula of hydrogen peroxide.","choices":[{"text":"HO","value":"A"},{"text":"CO","value":"B"},{"text":"CHO","value":"C"},{"text":"CH","value":"D"},{"value":"E"}],"correctAnswer":1}]