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

At dynamic equilibrium:

Question # 2

For which reaction Kf is the rate constant?

Question # 3

The rate of reverse reaction in the beginning.

Question # 4

When the magnitude of Kc is very large it indicates.

Question # 5

Which colour of HI is ?

Question # 6

The value of equilibrium constant (Kc) depends only on:

Question # 7

An equilibrium is achievable only in a:

Question # 8

In irreversible reaction, dynamic equilibrium:

Question # 9

Equilibrium constant value "K" is equal to:

Question # 10

When the rate of a the forward reaction takes place at the rate of reverse reaction the composition of the reaction mixture remains constant it is called.

Question # 11

The lives of aquatic plants and animals are indirectly related to concentration of dissolved ------ in water:

Question # 12

Reactions which have comparable amounts of reactants and products at equilibrium state have:

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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 At equilibrium state, when reaction cases to proceed, it is called:
A. equilibrium constant
B. dynamic equilibrium
C. static equilibrium
D. simple equilibrium
2 Equilibrium constant value "K" is equal to:
A. Kt / Kr
B. Ki / Kr
C. Kc / Qc
D. Qc /Kc
3 At dynamic equilibrium state:
A. Rate of forward reaction≠ Rate of reverse reaction
B. Rate of forward reaction > Rate of reverse reaction
C. Rate of forward reaction = Rate of reverse reaction
D. Rate of forward reaction < rate of reverse reaction
4 Such reaction which can be made proceed in either direction depending upon the condition:
A. simple reaction
B. reversible reaction
C. irreversible reaction
D. chain reaction
5 Guldberg and waage put forward law of mass action in:
A. 1860
B. 1869
C. 1870
D. 1879
6 Which type of reactions take place in both directions?
A. Decomposition reactions
B. Irreversibel reactions
C. Reversible reactions
D. Addition reactions
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 In a chemical reaction, the substance that combine are called.
A. Reactant
B. Products
C. Mass
D. Material
9 If Qc > Kc the reaction will be in
A. Chemical equilibrium
B. Static equilibrium
C. Reverse reaction
D. Forward reaction
10 Which colour of HI is ?
A. Orange
B. Purple
C. Red
D. Colourless

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