ECAT Pre Engineering Chemistry Chapter 7 MCQ Test With Answer

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

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

ECAT Chemistry Chapter 7 Important MCQ's

Sr.#	Question	Answer
1	Which one of the following is not related to spontaneous process	A. Unidirectional B. Real C. Irreversible D. Artificial
2	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
3	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.
4	When a piece of zinc is added to the copper sulphate solution, _______ colour of solution disappear	A. Pink B. Purple C. Blue D. Brown
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	Calorie is equivalent to :	A. 0.4184 J B. 4184 J C. 4.184 J D. 418.4 J
8	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).
9	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)
10	The study of heat changes accompanying a chemical reaction is known as :	A. Thermochemistry. B. Biochemistry. C. Physical chemistry. D. Analytical chemistry.

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ECAT Pre Engineering Chemistry Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 7 Thermo Chemistry

ECAT Chemistry Chapter 7 Thermo Chemistry

Neutralization of a strong acid with a strong base is

A reaction will also be called a spontaneous if :

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

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

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

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

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

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

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

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

When no work is done by the system

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

In endothermic reactions, the heat contents of the surrounding air

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

In endothermic reactions, the heat contents of the:

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

Burning of coal and hydrocarbon in air are examples of :

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

Work is a

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

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:

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

Which one of the following is not related to spontaneous process

The majority of reactions which give stable products are:

In endothermic reactions, the heat content of the:

The subject matter of first law of thermochemistry is based on

Enthalpy of neutralization of all the strong acids and strong bases has the same value because:

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

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

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

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ECAT Chemistry Chapter 7 Important MCQ's

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