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

00:00
Question # 1

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

Question # 2

Neutralization of a strong acid with a strong abase is:

Question # 3

The majority of reactions which give stable products are:

Question # 4

A reaction will also be called a spontaneous if :

Question # 5

For the reaction : NaOH + HCl---------------> NaCl + H2O the change in enthalpy is called:

Question # 6

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

Question # 7

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

Question # 8

The reaction of Zinc with copper sulphate solution is an example of

Question # 9

A process which takes place on its own without any outside assistance and moves from a non-equilibrium stat towards an equilibrium stat is termed as:

Question # 10

Burning of coal and hydrocarbon in air are examples of :

Question # 11

Burning of coal and hydrocarbon in air are examples of

Question # 12

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

Question # 13

In endothermic reactions, the heat contents of the surrounding air

Question # 14

A process which takes place on its own without any outside assistance and moves from a non-equilibrium state towards an equilibrium state is termed as

Question # 15

Reaction between Zn and CuSO4can be called a system under

Question # 16

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

Question # 17

The majority of reactions which give stable products are

Question # 18

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

Question # 19

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

Question # 20

One mole of oxygen confined in a cylinder fitted with a piston is an example of

Question # 21

Which one of the following is not related to spontaneous process.

Question # 22

Calorie is equivalent to :

Question # 23

Which one of the following is not related to spontaneous process

Question # 24

Some Non-spontaneous process can be made to take place by supplying energy to the system from :

Question # 25

The study of heat changes accompanying a chemical reaction is known as :

Question # 26

A state function is a

Question # 27

Work is a

Question # 28

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

Question # 29

By state, we mean the

Question # 30

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

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ECAT Chemistry Chapter 7 Important MCQ's

Sr.# Question Answer
1 The change in heat energy of a chemical reaction at constant temperature and pressure is called :
A. Enthalpy change.
B. Seat of sublimation.
C. Bind energy.
D. Internal energy change.
2 One mole of oxygen confined in a cylinder fitted with a piston is an example of
A. Surrounding
B. System and surrounding
C. System
D. State function
3 Calorie is equivalent to
A. 0.4184 J
B. 41.84 J
C. 4.184 J
D. 418.4 J
4 When a piece of zinc is added to the copper sulphate solution, _______ colour of solution disappear
A. Pink
B. Purple
C. Blue
D. Brown
5 A reaction will also be called a spontaneous if :
A. It does no need energy to start with.
B. It needs energy to carry the whole process.
C. It needs energy at the end of reaction.
D. It needs energy to stat with.
6 Which one of the following is not related to spontaneous process.
A.

Unidirectional.

B. Real.
C.

Irreversible.

D. Artificial.
7 Reaction between Zn and CuSO4can be called a system under
A. Surrounding
B. Observation
C. system
D. None of above
8 Which one of the following is not related to spontaneous process
A. Unidirectional
B. Real
C. Irreversible
D. Artificial
9 In a chemical change, the energy in the from of heat will either be evolved or absorbed and this is called:
A. Endothermic.
B. Heat of products.
C. Exothermic reaction.
D. Heat of reaction.
10 Neutralization of a strong acid with a strong abase is:
A. Natural acid base reaction.
B. Artificial acid base reaction.
C. Spontaneous acid base reaction.
D. Both (a) and (c).

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