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	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	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.
3	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).
4	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
5	Neutralization of a strong acid with a strong base is	A. Natural acid base reaction B. Artificial acid base reaction C. Spontaneous acid base reaction D. both a and c
6	When a piece of zinc is added to the copper sulfate solution,____________ color of solution disappear.	A. Pink. B. Purple. C. Blue. D. Brown.
7	Which of the following statements is contrary to the first law of thermodynamics?	A. Energy can neither be created no destroyed. B. One form of energy can be transferred into an equivalent amount of the kinds of energy. C. In a adiabatic process, the work done is independent of its path. D. Continuous production of mechanical work without supplying an equivalent amount of heat is possible.
8	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
9	Calorie is equivalent to	A. 0.4184 J B. 41.84 J C. 4.184 J D. 418.4 J
10	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.

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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

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

In endothermic reactions, the heat contents of the surrounding air

A reaction will also be called a spontaneous if :

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

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

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

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

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

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

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

Which one of the following is not related to spontaneous process

Neutralization of a strong acid with a strong base is

In endothermic reactions, the heat content of the:

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

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

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

In endothermic reactions, the heat contents of the:

The majority of reactions which give stable products are:

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

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

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

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

The majority of reactions which give stable products are

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

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

Work is a

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

Burning of coal and hydrocarbon in air are examples of :

Reaction between Zn and CuSO4can be called a system under

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ECAT Chemistry Chapter 7 Important MCQ's

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Reaction between Zn and CuSO₄can be called a system under