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	Some non-spontaneous processes 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
2	The majority of reactions which give stable products are:	A. Exothermic. B. Isothermal. C. Endothermic. D. Both (b) and (c).
3	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
4	When a system absorbs energy, the sign of delta E is	A. Neither positive nor negative B. Negative C. Positive D. None of above
5	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.
6	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.
7	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).
8	In a chemical change, the energy in the from of heat will either be evolved or absorbed and this is called:	A. Endothermic. B. Heat of products. C. Exothermic reaction. D. Heat of reaction.
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	A. Spontaneous process B. Natural process C. Non-spontaneous process D. Both a and b
10	Burning of coal and hydrocarbon in air are examples of :	A. Non-spontaneous reaction. B. Spontaneous reaction. C. Natural reaction D. Both (a) and (C)

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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

For a given process, the heat changes at constant volume ( qv)are related to other as:

When no work is done by the system

A state function is a

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

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

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

By state, we mean the

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

The subject matter of first law of thermochemistry is based on

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

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

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

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

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

In endothermic reactions, the heat contents of the surrounding air

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

Neutralization of a strong acid with a strong base is

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

The majority of reactions which give stable products are:

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

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

In endothermic reactions, the heat content of the:

In endothermic reactions, the heat contents of the:

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

Calorie is equivalent to :

Which one of the following is not related to spontaneous process

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

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ECAT Chemistry Chapter 7 Important MCQ's

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For a given process, the heat changes at constant volume ( q_v)are related to other as: