Thermo Chemistry Test 1

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Chapter 7 Chemistry I
MCQ's with answers from chapter 7 Thermo Chemistry, chemistry book 1 for FSC pre engineering and pre medical for Board of Intermediate and Secondary education. Also For Entry Test Preparation for UET, NUST, PIEAS, GIKI, AIR, FAST, WAH University, UHS, other engineering Universities and Medical Colleges.


1. A spontaneous change is one in which the system suffers:
    A) an increase in internal energy
    B) lowering in entropy
    C) lowerin g in free energy
    D) No energy change


2. Amount of heat evolved when one mole of a substance is completely burnt in excess of oxygen under stander conditions is called:

    A) enthalpy of newutralization
    B) enthalpy of solution
    C) enthalpy of combustion
    D) enthalpy of atomization


3. neutralization of strong acid with strong base is

    A) non spontaneous reaction
    B) spontaneous and exothermic reaction
    C) spontaneous and endothermic reaction
    D) non spontaneous and endothermic reaction


4. The values of ∆H and ∆E are approximately the same for the process in case of liquids and solids because

    A) no change in temperature
    B) heat absorbed
    C) no change in volume
    D) heat is released


5. in the formation of 1 mole of a compound from its elements, the standard enthalpy change is called

    A) internal energy change
    B) enthalpy of neutralization
    C) enthalpy of formation
    D) enthalpy of combustion


6. For accurate determination of enthalpy of combustion for food, fuel etc. The apparatus used is

    A) bomb calorimeter
    B) glass calorimeter
    C) copper calorimeter
    D) manometer


7. The sum of all kinds of energies of atoms, ions or molecules of a system is known as

    A) potential energy
    B) internal energy
    C) kinetic energy
    D) all of the above


8. 1J is equivalent to

    A) 0.4184 cal
    B) 4.18 cal
    C) 0.239
    D) 0.30


9. Thermodynamics doesn't deal with

    A) heat of reaction
    B) rate of reaction
    C) spontaneity of reaction
    D) entropy of reaction


10. Which one of the following is important application of bond engergy

    A) it helps to determine relative strength of bond energy
    B) it helps us to understand the mechanism of reaction
    C) to estimate ∆H of reaction
    D) both A and C

I am Mechatronics and Control Engineer from UET, Lahore. Helping Engineering students gives me pleasure.

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