Standard Enthalpy Changes Multiple Choice Questions (MCQ) PDF Download

MCQ : The standard enthalpy change of combustion occurs when 1 mol of substance is burnt more than

1. nitrogen
2. oxygen
3. carbon dioxide
4. helium

MCQ 1: The change in enthalpy when 1 mol of the compound is formed under standard conditions is called

1. reaction
2. formation
3. combustion
4. neutralization

MCQ 2: The enthalpy change when the number of reactants gives products under standard conditions is called standard enthalpy change of

1. reaction
2. formation
3. combustion
4. neutralization

MCQ 3: The standard condition for enthalpy change are

1. pressure of 105
2. temperature 298 K
3. normal physical state
4. all of above

MCQ 4: The enthalpy changes of combustion are

1. endothermic
2. exothermic
3. ectothermic
4. hypothermic