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

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

Question # 2

Burning of coal and hydrocarbon in air are examples of :

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Reaction between Zn and CuSO4can be called a system under

Question # 8

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

Question # 9

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

Question # 10

Neutralization of a strong acid with a strong base is

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Which one of the following is not related to spontaneous process

Question # 15

A reaction will also be called a spontaneous if

Question # 16

The majority of reactions which give stable products are

Question # 17

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

Question # 18

Which of the following statements is contrary to the first law of thermodynamics?

Question # 19

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

Question # 20

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 # 21

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 # 22

Work is a

Question # 23

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

Question # 24

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

Question # 25

Burning of coal and hydrocarbon in air are examples of

Question # 26

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

Question # 27

A state function is a

Question # 28

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

Question # 29

Calorie is equivalent to

Question # 30

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

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
    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
  • A
    AS creations 16 - Jun - 2026 06 Min 05 Sec 96/120
  • 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 Chemistry Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 When a piece of zinc is added to the copper sulfate solution,____________ color of solution disappear.
A. Pink.
B. Purple.
C. Blue.
D. Brown.
3 Burning of coal and hydrocarbon in air are examples of
A. Non-spontaneous reaction
B. Spontaneous reaction
C. Natural reaction
D. Both b and c
4 By comparing both initial and final states of the system, we can describe the change taking place in the
A. Surrounding
B. Both a and c
C. System
D. None of above
5 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
6 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
A. Spontaneous process
B. Natural process
C. Non-spontaneous process
D. Both a and b
7 If an endothermic reaction is allowed to take place very rapidly in air, the temperature of the surrounding air :
A. Remains constant.
B. Decreases.
C. Increases.
D. Fluctuates rapidly.
8 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.
9 Which one of the following is not related to spontaneous process.
A.

Unidirectional.

B. Real.
C.

Irreversible.

D. Artificial.
10 The energy units in which heat changes usually expressed in SI-system are
A. Joule
B. Calorie
C. Kilo Joule
D. Both a and c

Test Questions