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

In a Reversible Reaction if Qc = Kc then.

Question # 2

Active mass is expressed as:

Question # 3

The reaction will attain the equilibrium if:

Question # 4

The reactions in which products can recombine to form reactants is called.

Question # 5

Guldberg and waage put forward law of mass action in:

Question # 6

Which gas is used to manufacture king of chemicals sulphuric acid?

Question # 7

The color of Iodine is:

Question # 8

In irreversible reaction, dynamic equilibrium:

Question # 9

Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:

Question # 10

If Qc = Kc the reaction goes in:

Question # 11

Which gas is used to prepare ammonia?

Question # 12

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

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

Sr.# Question Answer
1 Law of Mass Action was put forward by:
A. G.N.Lewis
B. Lowry
C. Arrhenius
D. Gulbderg and Waage
2 In a chemical reaction, the substance that combine are called.
A. Reactant
B. Products
C. Mass
D. Material
3 A complete reaction is one is which.
A. All the reactants convert into products.
B. All the reactants do not convert into products.
C. Half reactants convert into products.
D. Only 10% reactants convert into products.
4 What is the colour of hydrogen iodide in product?
A. Purple
B. Yellow
C. Blue
D. Colorless
5 Which chemical is called king of chemicals?
A. KNO3
B. H2SO4
C. HCl
D. NHO3
6 The reaction in which the number of moles reactants and products not equal in balance chemical equation the units of Kc for this reactions are
A. mol-2
B. dm3
C. mol2
D. mol dm-1
7 When a system is at equilibrium states?
A. The concentration of reactants and products becomes equal
B. The opposing reactions
C. The rate of the reverse reaction becomes very low
D. The rates of the forward and reverse reactions becomes equal.
8 The forward reaction takes place:
A. Right to left
B. Left to Right
C. Only to right
D. Only to left
9 In chemical reaction , the substances that combine are called.
A. Reactants
B. Products
C. Equlibrium
D. Numerator
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

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