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

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

Question # 2

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

Question # 3

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 # 4

Reaction between Zn and CuSO4can be called a system under

Question # 5

When a piece of zinc is added to the copper sulfate solution,____________ color of solution disappear.

Question # 6

The real or imaginary surface separating the system from the surrounding is called

Question # 7

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

Question # 8

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

Question # 9

Neutralization of a strong acid with a strong abase is:

Question # 10

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

Question # 11

When a piece of zinc is added to the copper sulphate solution, _______ colour of solution disappear

Question # 12

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

Question # 13

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 # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

Burning of coal and hydrocarbon in air are examples of

Question # 19

A state function is a

Question # 20

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

Question # 21

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

Question # 22

Neutralization of a strong acid with a strong base is

Question # 23

The subject matter of first law of thermochemistry is based on

Question # 24

Burning of coal and hydrocarbon in air are examples of :

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

By state, we mean the

Question # 30

Which one of the following is not related to spontaneous process

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ECAT Chemistry Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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.
3 A state function is a
A. Microscopic property
B. Macroscopic
C. Unique property
D. Both a and c
4 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.
5 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).
6 Work is a
A. State function
B. Only function
C. Non-state function
D. State
7 Some Non-spontaneous process can be made to take place by supplying energy to the system from :
A. Internal source.
B. Any source.
C. External source.
D. All of above.
8 Calorie is equivalent to :
A. 0.4184 J
B. 4184 J
C. 4.184 J
D. 418.4 J
9 The subject matter of first law of thermochemistry is based on
A. First law of Thermochemistry
B. First law of Thermodynamics
C. Second law of Thermochemistry
D. Second law of Thermodynamics
10 The majority of reactions which give stable products are:
A. Exothermic.
B. Isothermal.
C. Endothermic.
D. Both (b) and (c).

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