Set 1

Mashaal Masha

Oct 18, 2022

Choose the correct options for the following questions.

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

Difficulty: Easy

Thermochemistry

Biochemistry

Physical chemistry

Analytical chemistry

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

Difficulty: Easy

Remains constant

Decreases

Increases

Fluctuates rapidly

In endothermic reactions, the heat contents of the:

Difficulty: Easy

Products equal to the reactants

Reactants more than that of products

Products more than that of reactants

Both (b) and (c)

The majority of reactions which give stable products are:

Difficulty: Easy

Exothermic

Isothermal

Endothermic

Both (a) and (c)

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

Difficulty: Easy

Physical change

Chemical change

Biological change

All of above

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

Difficulty: Easy

Endothermic reaction

Heat of products

Exothermic reaction

Heat of reaction

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

Difficulty: Easy

Joule

Calorie

Kilo Joule

Both (a) and (c)

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

Difficulty: Easy

First law of Thermochemistry

First law of Thermodynamics

Second law of Thermochemistry

Second law of thermodynamics

A process which takes place on its own without any outside assistance and moves from a non-equilibrium state towards an equilibrium is termed as:

Difficulty: Easy

Spontaneous process

Natural process

Non-spontaneous process

Both (a) and (b)

Which one of the following is not related to spontaneous process

Difficulty: Easy

Unidirectional

Real

Irreversible

Artificial

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Mashaal Masha

Table of Contents

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Choose the correct options for the following questions.

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

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

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In endothermic reactions, the heat contents of the:

The majority of reactions which give stable products are:

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

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

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

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

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A process which takes place on its own without any outside assistance and moves from a non-equilibrium state towards an equilibrium is termed as:

Which one of the following is not related to spontaneous process

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Set 1

Mashaal Masha

Table of Contents

Advertisement

Choose the correct options for the following questions.

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

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

Advertisement

In endothermic reactions, the heat contents of the:

The majority of reactions which give stable products are:

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

Advertisement

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

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

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

Advertisement

A process which takes place on its own without any outside assistance and moves from a non-equilibrium state towards an equilibrium is termed as:

Which one of the following is not related to spontaneous process