[{"id":267190,"question":"How much heat absorbed when NH3decomposed into N2 and H2?","choices":[{"text":"90.4 kJ/mol","value":"A"},{"text":"92.4 kJ/mol","value":"B"},{"text":"94.2 kJ/mol","value":"C"},{"text":"95.2 kJ/mol","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267189,"question":"Formation of ammonia from Nitrogen and hydrogen is an.","choices":[{"text":"Exothermic reaction","value":"A"},{"text":"Endothermic reaction","value":"B"},{"text":"Both a and b","value":"C"},{"text":"No heat change","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267188,"question":"Industrialy, ammonia is produced by which process.","choices":[{"text":"Halogenation","value":"A"},{"text":"Solvay process","value":"B"},{"text":"Haber Process","value":"C"},{"text":"Hydrogenation","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267187,"question":"At what temperature , rate of ammonia formation and decomposition is the highest.","choices":[{"text":"200 <sup>o</sup>C","value":"A"},{"text":"300<sup> o</sup>C","value":"B"},{"text":"400 <sup>o</sup>C","value":"C"},{"text":"500 <sup>o</sup>C","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267186,"question":"Concentratin of reactants and product at equilibrium remains unchanged if","choices":[{"text":"Concentration of any reactant or product is not changed","value":"A"},{"text":"Temperaure of the reation is not changed","value":"B"},{"text":"Pressure or volume of the system is not changed","value":"C"},{"text":"All of the above are observed","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267185,"question":"When the rate of the forward reaction takes place at the rate of reverse reaction the composition of the reaction mixgure remains consant. It is called.","choices":[{"text":"Chemical Equilibrium","value":"A"},{"text":"Static equilirbirum","value":"B"},{"text":"Both a and b","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267184,"question":"When system is at quilibrium state.","choices":[{"text":"The rate of the forward and reverse rections become equal","value":"A"},{"text":"The concentrationof reatants and product becoes equal","value":"B"},{"text":"The oposing reactions stop","value":"C"},{"text":"The rate of the reverse reactio becomes very low","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267183,"question":"Whcih is true about the equilibrium state?","choices":[{"text":"The forard reaction stops","value":"A"},{"text":"Both forward and reverse reactions stop","value":"B"},{"text":"Both foward and reverse reactions continue at the same rate","value":"C"},{"text":"The reverse reaction stops","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267182,"question":"Which of the following does not happpen, when a system is at equilibrium state.","choices":[{"text":"Reaction continues to occur in both the directions","value":"A"},{"text":"Concentration of reactants and products stop changig","value":"B"},{"text":"Forward and reverse reactions stop","value":"C"},{"text":"Forward and reverse rates become equal","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267181,"question":"The colour of hydrated cobalt(II) chloride solid is","choices":[{"text":"White","value":"A"},{"text":"Black","value":"B"},{"text":"Blue","value":"C"},{"text":"Pink","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267180,"question":"The colour of anhydrous cobalt(II) cholride solid","choices":[{"text":"White","value":"A"},{"text":"Black","value":"B"},{"text":"Pink","value":"C"},{"text":"Blue","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267179,"question":"The colour of hydrated copper (II) sulphate solid is.","choices":[{"text":"Black","value":"A"},{"text":"Pink","value":"B"},{"text":"White","value":"C"},{"text":"Blue","value":"D"},{"value":"E"}],"correctAnswer":4}]