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

When the magnitude of Kc is very large it indicates.

Question # 2

When the numbers of moles of both sides are equal in a reaction, then the unit of Kc will be:

Question # 3

For which reaction Kf is the rate constant?

Question # 4

Who proposed "Law of mass action"?

Question # 5

Which colour of HI is ?

Question # 6

The plant use

Question # 7

The characteristics of reversible reactions are the following except:

Question # 8

In irreversible reaction, dynamic equilibrium:

Question # 9

When the reaction causes to produced it is called.

Question # 10

The reaction in which the products do not recombine to form reactants are called.

Question # 11

The two major components of atmosphere are:

Question # 12

The rate of reverse reaction in the beginning.

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For all the students who want to attempt our online chapter 1 mcqs test and wants to obtain good marks in it, we have also provided the chemistry class 10 ch 1 chemical equilibrium solved mcqs on this page. The goal of the Chapter 1 mcqs test is to assist students in preparing for their 10th class Chemistry board exam. Our highly qualified and experienced teachers have prepared these solved mcqs. You can prepare for the online Mcqs test with the help of these mcqs files, which will also help you clear your chemistry board exams.

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

Sr.# Question Answer
1 The color of hydrogen Iodide is:
A. Colourless
B. Black
C. Red
D. Pink
2 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
3 Which gas is used to prepare ammonia?
A. N2
B. O2
C. Cl2
D. S
4 When the magnitude of Kc is very small it indicates.
A. Equilibrium will never establish
B. All reactants will be converted to products.
C. Reaction will go to completion
D. The amount of products is negligible
5 Kc is always equal to
A. Rf/Rr
B. Kf /Kt
C. Kf/Kr
D. Rr/Rt
6 Who proposed "Law of mass action"?
A. Newton
B. Boyle
C. Guldberg and waage
D. Lavoisier
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 reaction in which the products can recombine to form reactants are called.
A. Reversible reaction
B. Irreversible reaction
C. Decomposition
D. Addition
9 Active mass is expressed as:
A. { }
B. [ ]
C. ( )
D. l l
10 Guldberg and waage put forward law of mass action in:
A. 1860
B. 1869
C. 1870
D. 1879

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