[{"id":267142,"question":"Bond formation energy of one O-H bond is............","choices":[{"text":"488 kJ/mol","value":"A"},{"text":"484 kJ/mol","value":"B"},{"text":"486 kJ/mol","value":"C"},{"text":"489 kJ/mol","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267141,"question":"If the Delta H value is negative then reaction witll be","choices":[{"text":"Endotermic","value":"A"},{"text":"Exothermic","value":"B"},{"text":"May or may not be exothermic or endothermic","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267140,"question":"The enthalpy of reaction H2+I2--- 2HI","choices":[{"text":"-571.6 k J","value":"A"},{"text":"+53.8 kJ","value":"B"},{"text":"11 kJ","value":"C"},{"text":"-393.5 kJ","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267139,"question":"The enthalpy of reaction 2H2 +O2-----2H2O","choices":[{"text":"-571.6 kJ","value":"A"},{"text":"-110.5 kJ","value":"B"},{"text":"-393.5 kJ","value":"C"},{"text":"+53.8 kJ","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267138,"question":"The enthalpy of reaction C+O2 ------ CO2","choices":[{"text":"-571.6 kJ","value":"A"},{"text":"-393.5 kJ","value":"B"},{"text":"+53.8 kJ","value":"C"},{"text":"-110.5 kJ","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267137,"question":"The part of the universe that we want to focus our attention called.","choices":[{"text":"Surrounding","value":"A"},{"text":"Energy","value":"B"},{"text":"System","value":"C"},{"text":"Both a and b","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267136,"question":"The word energy is used in physics ofr the firt time.","choices":[{"text":"1902","value":"A"},{"text":"1858","value":"B"},{"text":"1805","value":"C"},{"text":"1802","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267135,"question":"Who use the word energy for the 1st time","choices":[{"text":"Rutherford","value":"A"},{"text":"Bohr","value":"B"},{"text":"Thomas Young","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267134,"question":"All chemical reaction involves.","choices":[{"text":"Enzymes","value":"A"},{"text":"Catalyst","value":"B"},{"text":"Energy changes","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267133,"question":"When NaOH and HCl are mixed the temperature increases. The reaction","choices":[{"text":"Exothermic with a negative enthalpy chagne.","value":"A"},{"text":"Endothermic with a positive enthaly change.","value":"B"},{"text":"Endothermic with a negatie enthalpy change","value":"C"},{"text":"Exothermic with a positive enthealpy change","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267132,"question":"When new bonds ae formed, the energy is","choices":[{"text":"Consume","value":"A"},{"text":"Remain same","value":"B"},{"text":"Release","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267131,"question":"When old bonds are broken, the energy is.","choices":[{"text":"Release","value":"A"},{"text":"Remain same","value":"B"},{"text":"Consume","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3}]