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

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Question # 1

For a reaction between PCL3 and Cl2 to form PCl5 the units of Kc are:

Question # 2

The color of Iodine is:

Question # 3

The reaction will attain the equilibrium if:

Question # 4

Active mass is expressed as:

Question # 5

The reaction goes from left to right , if:

Question # 6

Which chemical is called king of chemicals?

Question # 7

The two major components of atmosphere are:

Question # 8

At dynamic equilibrium state:

Question # 9

At dynamic equilibrium:

Question # 10

Such reactions which continue in both directions are called.

Question # 11

A complete reaction is one is which.

Question # 12

The % age of nitrogen and oxygen in our atmosphere is:

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10th Class (English Medium) Chemistry Chapter 1 Important MCQ's

Sr.# Question Answer
1 Which colour of HI is ?
A. Orange
B. Purple
C. Red
D. Colourless
2 When CaCO3,.is heated in an open flask, it decomposes to form calcium oxides and .
A. O2
B. CO
C. CO2
D. CO3
3 In irreversible reaction, dynamic equilibrium:
A. Never establishes
B. Establishes before the completion of reaction
C. Establishes after the completion of reaction
D. Establishes readily
4 The reaction in which the products do not recombine to form reactants are called.
A. Inversible reactions
B. Reversible reaction
C. Decomposition
D. Addition
5 Kc is always equal to
A. Rf/Rr
B. Kf /Kt
C. Kf/Kr
D. Rr/Rt
6 Such reactions which continue in both directions are called.
A. Irreversible
B. Reversible
C. Nonreactive
D. Dynamic
7 We exhale gas in the atmosphere during respiration.
A. Carbon dioxide
B. Oxygen
C. Nitrogen
D. Water
8 When the magnitude of Kc is very large in indicates.
A. Reaction never go to completion
B. Reaction is in equilibrium state
C. Reaction will complete after some time
D. Reaction has almost to completion
9 For a reaction between PCL3 and Cl2 to form PCl5 the units of Kc are:
A. Mol dm-3
B. Mol-1 dm-3
C. Mol-1dm3
D. Mol dm3
10 Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:
A. Dalton
B. Thomson
C. Haber
D. Waage

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