[{"id":1066373,"question":"Which of the following pair form a buffer solution .","choices":[{"text":"HCl and NaCl","value":"A"},{"text":"CH3COONa and CH3COOH","value":"B"},{"text":"NaOH and HCl","value":"C"},{"text":"NH3 and Na2SO4","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066372,"question":"If the concentration of Cl- ion in a solution is increaed, the soubility of silver chloride will","choices":[{"text":"Decreasse","value":"A"},{"text":"Increase","value":"B"},{"text":"Remain unchanged","value":"C"},{"text":"Become zero","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066371,"question":"In an acid base titration, the equivalence point is reached when.","choices":[{"text":"pH of the solution is 7.0","value":"A"},{"text":"The indicagor changes color","value":"B"},{"text":"Equal volumes of acid and base have been added","value":"C"},{"text":"The reaction stops","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066370,"question":"Which of the following is a Lewis acid but not a Brontsted Lowry acid","choices":[{"text":"HCl","value":"A"},{"text":"NH3","value":"B"},{"text":"Al Cl3","value":"C"},{"text":"H2O","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066369,"question":"Which of the following is the conjugate base of water.","choices":[{"text":"OH-","value":"A"},{"text":"OH+","value":"B"},{"text":"H2O","value":"C"},{"text":"H2O+","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066368,"question":"Which indicator is typically used for titration involving strong acids and strong bases.","choices":[{"text":"Methyl red","value":"A"},{"text":"Phenolphthalein","value":"B"},{"text":"Bromothymol blud","value":"C"},{"text":"Litmus solution ","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066367,"question":"CH3COONa in water forms","choices":[{"text":"Acidic solution ","value":"A"},{"text":"Basic Solution ","value":"B"},{"text":"Neutral Solution ","value":"C"},{"text":"Salt bridge","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066366,"question":"Salts of weak acid + strong base are.","choices":[{"text":"Basic","value":"A"},{"text":"Acidic","value":"B"},{"text":"Amphoteric","value":"C"},{"text":"Neutral","value":"D"},{"value":"E"}]},{"id":1066365,"question":"Na2CO3 in wate gives.","choices":[{"text":"Acidic solution ","value":"A"},{"text":"Basic Solution ","value":"B"},{"text":"Neutral solution ","value":"C"},{"text":"Buffer","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066364,"question":"NH4Cl in water makes solution ","choices":[{"text":"Neutral","value":"A"},{"text":"Acidic","value":"B"},{"text":"Basic","value":"C"},{"text":"amphoteric","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066363,"question":"Untis of Kc depend on ","choices":[{"text":"Catalyst","value":"A"},{"text":"Reaction stoichimometty","value":"B"},{"text":"Activation energy ","value":"C"},{"text":"Delta H","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066362,"question":"Unit of Kc depend on","choices":[{"text":"Change in concentration ","value":"A"},{"text":"Change in nuebr of moles of gas","value":"B"},{"text":"Chage in pressure","value":"C"},{"text":"Change in Entropy","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066361,"question":"If Delta n is positive, then Kp is","choices":[{"text":"Greater than Kc","value":"A"},{"text":"Less than Kc","value":"B"},{"text":"equal Kc","value":"C"},{"text":"Zero","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066360,"question":"Optimum temperatur ein Haber process is","choices":[{"text":"50 oC","value":"A"},{"text":"450 oC","value":"B"},{"text":"200 oC","value":"C"},{"text":"1000 oC","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066359,"question":"Catalyst used in contact process","choices":[{"text":"Fe","value":"A"},{"text":"V2O5","value":"B"},{"text":"Ni","value":"C"},{"text":"Al2O3","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066358,"question":"Contact process is used for","choices":[{"text":"Sulfuric acid production ","value":"A"},{"text":"Ammonia Synthesis","value":"B"},{"text":"Nitric Acid production ","value":"C"},{"text":"Hydrogenation","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066357,"question":"Pressure used in Haber Process.","choices":[{"text":"2 atm","value":"A"},{"text":"300 atm","value":"B"},{"text":"200 atm","value":"C"},{"text":"5 atm","value":"D"},{"value":"E"}],"correctAnswer":3}]