ECAT Pre Engineering Chemistry Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 7 Thermo Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 7 Thermo Chemistry

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ECAT Chemistry Chapter 7 Thermo Chemistry

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Question # 1

A state function is a

Question # 2

When no work is done by the system

Question # 3

Which one of the following is not related to spontaneous process

Question # 4

The majority of reactions which give stable products are:

Question # 5

When a system absorbs energy, the sign of delta E is

Question # 6

The energy units in which heat changes usually expressed in Sl-system are:

Question # 7

Neutralization of a strong acid with a strong abase is:

Question # 8

In endothermic reactions, the heat contents of the:

Question # 9

The change in heat energy of a chemical reaction at constant temperature and pressure is called :

Question # 10

Work is a

Question # 11

In a chemical change, the energy in the from of heat will either be evolved or absorbed and this is called:

Question # 12

It is noticed that energy in the form of heat is either evolved or absorbed as a result of a

Question # 13

The majority of reactions which give stable products are

Question # 14

Enthalpy of neutralization of all the strong acids and strong bases has the same value because:

Question # 15

If an endothermic reaction is allowed to take place very rapidly in air, the temperature of the surrounding air

Question # 16

Calorie is equivalent to :

Question # 17

Some non-spontaneous processes can be made to take place by supplying energy to the system from

Question # 18

The subject matter of first law of thermochemistry is based on:

Question # 19

Burning of coal and hydrocarbon in air are examples of

Question # 20

Which of the following statements is contrary to the first law of themodynamics

Question # 21

A reaction will also be called a spontaneous if :

Question # 22

The energy units in which heat changes usually expressed in SI-system are

Question # 23

It is noticed that energy in the from of heat is either evolved or absorbed as a result of a:

Question # 24

The subject matter of first law of thermochemistry is based on

Question # 25

In a chemical change, the energy in the form of heat will either be evolved or absorbed and this is called

Question # 26

The net heat change in a chemical reaction is same, whether it is brought about in two or more different ways in one or several steps. It is known as:

Question # 27

For a given process, the heat changes at constant volume ( qv)are related to other as:

Question # 28

Burning of coal and hydrocarbon in air are examples of :

Question # 29

By comparing both initial and final states of the system, we can describe the change taking place in the

Question # 30

The reaction of zinc with the copper sulfate solution is an example of.

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ECAT Chemistry Chapter 7 Important MCQ's

Sr.# Question Answer
1 It is noticed that energy in the from of heat is either evolved or absorbed as a result of a:
A. Physical change.
B. Chemical change.
C. Biological change.
D. All of above.
2 Burning of coal and hydrocarbon in air are examples of :
A. Non-spontaneous reaction.
B. Spontaneous reaction.
C. Natural reaction
D. Both (a) and (C)
3 Calorie is equivalent to
A. 0.4184 J
B. 41.84 J
C. 4.184 J
D. 418.4 J
4 The change in heat energy of a chemical reaction at constant temperature and pressure is called
A. entahlpy change
B. heat of sublimation
C. bond energy
D. internal energy change
5 In endothermic reactions, the heat contents of the:
A. Products equal to the reactants.
B. Reactants more than that of products.
C. Products more than that of reactants
D. Both (b) and (c)
6 The study of heat changes accompanying a chemical reaction is known as
A. Thermochemistry
B. Biochemistry
C. Physical chemistry
D. Analytical chemistry
7 Calorie is equivalent to :
A. 0.4184 J
B. 4184 J
C. 4.184 J
D. 418.4 J
8 The energy units in which heat changes usually expressed in Sl-system are:
A. Joule.
B. Calorie.
C. Kilo Joule.
D. Both (a) and (c)
9 The reaction of zinc with the copper sulfate solution is an example of.
A. Oxidation reduction reaction.
B. Spontaneous reaction.
C. Spontaneous redox reaction.
D. Non-spontaneous reaction.
10 The study of heat changes accompanying a chemical reaction is known as :
A. Thermochemistry.
B. Biochemistry.
C. Physical chemistry.
D. Analytical chemistry.

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