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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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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 7 Thermo Chemistry
00:00
Question # 1
A reaction will also be called a spontaneous if
Question # 2
When a piece of zinc is added to the copper sulfate solution,____________ color of solution disappear.
Question # 3
Calorie is equivalent to
Question # 4
If an endothermic reaction is allowed to take place very rapidly in air, the temperature of the surrounding air
Question # 5
Some non-spontaneous processes can be made to take place by supplying energy to the system from
Question # 6
The study of heat changes accompanying a chemical reaction is known as
Question # 7
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 # 8
For a given process, the heat changes at constant volume ( qv)are related to other as:
Question # 9
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 # 10
Work is a
Question # 11
The reaction of Zinc with copper sulphate solution is an example of
Question # 12
Burning of coal and hydrocarbon in air are examples of
Question # 13
Which one of the following is not related to spontaneous process.
Question # 14
The subject matter of first law of thermochemistry is based on
Question # 15
By comparing both initial and final states of the system, we can describe the change taking place in the
Question # 16
If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air:
Question # 17
Reaction between Zn and CuSO4can be called a system under
Question # 18
If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air
Question # 19
The change in heat energy of a chemical reaction at constant temperature and pressure is called
Question # 20
In a chemical change, the energy in the from of heat will either be evolved or absorbed and this is called:
Question # 21
In endothermic reactions, the heat contents of the:
Question # 22
The real or imaginary surface separating the system from the surrounding is called
Question # 23
The change in heat energy of a chemical reaction at constant temperature and pressure is called :
Question # 24
By state, we mean the
Question # 25
If an endothermic reaction is allowed to take place very rapidly in air, the temperature of the surrounding air :
Question # 26
The reaction of zinc with the copper sulfate solution is an example of.
Question # 27
When a system absorbs energy, the sign of delta E is
Question # 28
When a piece of zinc is added to the copper sulphate solution, _______ colour of solution disappear
Question # 29
Which of the following statements is contrary to the first law of themodynamics
Question # 30
Which of the following statements is contrary to the first law of thermodynamics?
Top Scorers Of ECAT Chemistry Chapter 7 Thermo Chemistry MCQ`s Test
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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 -
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 -
M muhammad aftab 27 - Mar - 2026 10 Min 44 Sec 84/120
ECAT Chemistry Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | 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.
|
| 3 | In endothermic reactions, the heat content of the: |
A. Products is more than that of reactants.
B. Reactants is more than than to products.
C. Both (a) and (b).
D. Reactants and products are equal.
|
| 4 | 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.
|
| 5 | 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.
|
| 6 | 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).
|
| 7 | In endothermic reactions, the heat contents of the: |
A. Products equal to the reactants.
B. Reactants more than that of products.
C. Products more than that of reactants
D. Both (b) and (c)
|
| 8 | 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.
|
| 9 | The majority of reactions which give stable products are: |
A. Exothermic.
B. Isothermal.
C. Endothermic.
D. Both (b) and (c).
|
| 10 | 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
|
Test Questions
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