10th Class Chemistry Chapter 1 English Medium Online MCQ Test With Answer

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MCQ's Test For Chapter 1 "Chemical Equilibrium"

Try The MCQ's Test For Chapter 1 "Chemical Equilibrium"

  • Total Questions12

  • Time Allowed15

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Chemical Equilibrium

00:00
Question # 1

At equilibrium state, when reaction cases to proceed, it is called:

Question # 2

The unit of molar concentration:

Question # 3

If Qc = Kc the reaction goes in:

Question # 4

When the reaction causes to produced it is called.

Question # 5

In a chemical reaction, the substance that combine are called.

Question # 6

The forward reaction takes place:

Question # 7

A reverse reaction is that.

Question # 8

In irreversible reaction, dynamic equilibrium:

Question # 9

The reaction in which the products can recombine to form reactants are called.

Question # 10

The two major components of atmosphere are:

Question # 11

The reaction goes from left to right , if:

Question # 12

In a Reversible Reaction if Qc = Kc then.

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Sr.# Question Answer
1 The % age of nitrogen and oxygen in our atmosphere is:
A. 80
B. 90
C. 95
D. 99
2 Which gas is used to manufacture king of chemicals sulphuric acid?
A. N2
B. O2
C. Cl2
D. S
3 Dynamic means, reaction is:
A. In forward direction
B. Stop
C. In reverse direction
D. Still continuing.
4 Which type of reactions take place in both directions?
A. Decomposition reactions
B. Irreversibel reactions
C. Reversible reactions
D. Addition reactions
5 The reactions in which products can recombine to form reactants is called.
A. Irreversible reactions
B. Reversible reactions
C. Direct reactions
D. Indirect reactions
6 The reaction goes from left to right , if:
A. Qc = Kc
B. Qc > kc
C. Qc<Kc
D. Qc = 0
7 The unit of molar concentration is:
A. moldm-3
B. moldm+3
C. molcm-3
D. molcm+3
8 In a Reversible Reaction if Qc = Kc then.
A. Reaction is occuring in forward direction
B. Reaction is occuring in Reverse direction
C. Equilibrium has been allained
D. Reaction is not at equilibrium
9 The major components of Atmosphere are:
A. Carbon and Nitrogen
B. Nitrogen and Oxygen
C. Oxygen and Chlorine
D. None of these
10 When the number of moles of both sides are equal in a reaction then the unit of Kc will be:
A. no unit
B. mol-2 dm6
C. mol dm3
D. mo-2 dn
11 Which one of the following statements is not correct about active mass?
A. Rate of reaction is directly proportional to activ emass.
B. Active mass is taken in molar concentration
C. Active mass is represented by square brackets
D. Active mass means total mass of substances.
12 The rate of reverse reaction in the beginning.
A. Slow
B. moderate
C. Very fast
D. Low

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