Question # 1

The major components of Atmosphere are:

Choose an answer

Carbon and Nitrogen

Nitrogen and Oxygen

Oxygen and Chlorine

None of these

At dynamic equilibrium:

Choose an answer

The reactions stops to proceed

The amounts of reactants and products are equal

The speed of the forward is reverse reactions are equal

The reaction can no longer be reversed

The rate of reverse reaction in the beginning.

Choose an answer

Slow

moderate

Very fast

Low

The two major components of atmosphere are:

Choose an answer

Hydrogen and oxygen

Nitrogen and Hydrogen

Nitrogen and oxygen

Oxygen and water.

Such reaction which can be made proceed in either direction depending upon the condition:

Choose an answer

simple reaction

reversible reaction

irreversible reaction

chain reaction

Equilibrium constant value "K" is equal to:

Choose an answer

Kt / Kr

Ki / Kr

Kc / Qc

Qc /Kc

At dynamic equilibrium state:

Choose an answer

Rate of forward reaction≠ Rate of reverse reaction

Rate of forward reaction > Rate of reverse reaction

Rate of forward reaction = Rate of reverse reaction

Rate of forward reaction < rate of reverse reaction

Active mass is expressed as:

Choose an answer

{ }

[ ]

( )

l l

At equilibrium state there are possibilities: OR types of chemical equilibrium are.

Choose an answer

1

2

3

4

Which type of reactions do not go to completion?

Choose an answer

Irreversible reaction

Reversible reactions

Addition reactions

Decomposition reactions

The characteristics of reversible reactions are the following except:

Choose an answer

Products never recombine to form reactants.

They never complete

The proced in both ways

They have a double arrow between reactants and products.

An equilibrium is achievable only in a:

Choose an answer

big system

small system

open system

closed system

More Classes

Other Links

Chemistry 10th Class English Medium Unit 9 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer