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

Calorie is equivalent to :

Question # 2

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

Question # 3

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 # 4

When no work is done by the system

Question # 5

Burning of coal and hydrocarbon in air are examples of

Question # 6

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

Question # 7

Work is a

Question # 8

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

Question # 9

The majority of reactions which give stable products are:

Question # 10

Calorie is equivalent to

Question # 11

By state, we mean the

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The subject matter of first law of thermochemistry is based on

Question # 17

Reaction between Zn and CuSO4can be called a system under

Question # 18

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

Question # 19

A reaction will also be called a spontaneous if

Question # 20

A reaction will also be called a spontaneous if :

Question # 21

In endothermic reactions, the heat contents of the surrounding air

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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 # 29

Burning of coal and hydrocarbon in air are examples of :

Question # 30

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

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 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 energy units in which heat changes usually expressed in SI-system are
A. Joule
B. Calorie
C. Kilo Joule
D. Both a and c
3 By state, we mean the
A. Reaction of system
B. Scope of a system
C. Condition of a system
D. None of above
4 The real or imaginary surface separating the system from the surrounding is called
A. Imaginary line
B. Boundary
C. Real line
D. All of above
5 The study of heat changes accompanying a chemical reaction is known as :
A. Thermochemistry.
B. Biochemistry.
C. Physical chemistry.
D. Analytical chemistry.
6 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.
7 When a system absorbs energy, the sign of delta E is
A. Neither positive nor negative
B. Negative
C. Positive
D. None of above
8 For the reaction : NaOH + HCl---------------> NaCl + H2O the change in enthalpy is called:
A. Heat of reaction.
B. Heat of formation.
C. Heat of neutralization.
D. Heat of combustion.
9 Enthalpy of neutralization of all the strong acids and strong bases has the same value because:
A. Neutralization leads to the formation of salt and water.
B. Strong acids and bases are ionic substances.
C. Acids always give rise to H+ions and bases always furnish OH-ions.
D. The net chemical change involve the combination of H+ and OH-ions to form water.
10 The reaction of Zinc with copper sulphate solution is an example of
A. Oxidation reduction reaction
B. Spontaneous reaction
C. Spontaneous redox reaction
D. Non-spontaneous reaction

Test Questions

Is this page helpful?