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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 7 Thermo Chemistry

00:00
Question # 1

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

Question # 2

In endothermic reactions, the heat content of the:

Question # 3

Burning of coal and hydrocarbon in air are examples of

Question # 4

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

Question # 5

Which one of the following is not related to spontaneous process

Question # 6

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

Question # 7

Burning of coal and hydrocarbon in air are examples of :

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

In endothermic reactions, the heat contents of the surrounding air

Question # 13

A state function is a

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The net heat 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 # 18

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 # 19

In endothermic reactions, the heat contents of the:

Question # 20

When no work is done by the system

Question # 21

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

Question # 22

By state, we mean the

Question # 23

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

Question # 24

Neutralization of a strong acid with a strong abase is:

Question # 25

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

Question # 26

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

Question # 27

Calorie is equivalent to

Question # 28

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

Question # 29

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

Question # 30

Reaction between Zn and CuSO4can be called a system under

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 7 Thermo Chemistry MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 7 Thermo Chemistry MCQ`s Test

  • M
    M Umer Arain 12 - Nov - 2024 00 Min 13 Sec 120/120
  • A
    Abdullah Zubair 21 - Dec - 2024 02 Min 34 Sec 120/120
  • T
    Tanzeel Ur Rehman 28 - May - 2024 03 Min 19 Sec 115/120
  • F
    Fatima Tabassum 16 - Jan - 2025 02 Min 21 Sec 110/120
  • M
    Maryam Fatima 18 - Mar - 2024 02 Min 24 Sec 105/120
  • M
    Muntasir Khokhar 21 - May - 2024 03 Min 47 Sec 105/120
  • S
    Shazi Ansari 05 - Jun - 2024 02 Min 35 Sec 100/120
  • S
    Sania Iqbal 14 - May - 2024 04 Min 47 Sec 100/120
  • M
    Masood Muneer 26 - May - 2024 04 Min 50 Sec 100/120
  • T
    Tamshi Sohail 19 - Apr - 2024 10 Min 44 Sec 100/120
  • U
    Umar Saeed 30 - May - 2024 03 Min 38 Sec 90/120
  • H
    hadia ejaz 29 - May - 2024 11 Min 27 Sec 90/120
  • R
    Rashida Latif 09 - Jan - 2025 04 Min 07 Sec 85/120
  • T
    talha talha 25 - Apr - 2024 05 Min 36 Sec 85/120
  • S
    Shajee Haroon 10 - May - 2024 08 Min 54 Sec 85/120

ECAT Class Chemistry Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following statements is contrary to the first law of themodynamics
A. Energy can neither be created nor destroyed
B. One form of energy can be transferred into an equivalent amount of other kinds of energy
C. In an adiabatic process, the work done is independent of its path
D. Continuous production of mechanical work without supplying and equivalent amount of heat is possible
2 The majority of reactions which give stable products are
A. Exothermic
B. Isothermal
C. Endothermic
D. Both a and c
3 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
4 If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air
A. remains constant
B. increases
C. decreases
D. remain unchanged
5 A reaction will also be called a spontaneous if
A. It does not 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 start with
6 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
7 A state function is a
A. Microscopic property
B. Macroscopic
C. Unique property
D. Both a and c
8 Which one of the following is not related to spontaneous process
A. Unidirectional
B. Real
C. Irreversible
D. Artificial
9 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)
10 Calorie is equivalent to :
A. 0.4184 J
B. 4184 J
C. 4.184 J
D. 418.4 J

Test Questions

Is this page helpful?