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

Chemical Equilibrium

00:00
Question # 1

In a Reversible Reaction if Qc = Kc then.

Question # 2

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

Question # 3

A reverse reaction is that.

Question # 4

When the magnitude of Kc is very large it indicates.

Question # 5

When CaCO3,.is heated in an open flask, it decomposes to form calcium oxides and .

Question # 6

Such reaction which can be made proceed in either direction depending upon the condition:

Question # 7

Guldberg and waage out forward law of mass action in:

Question # 8

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 # 9

Which one of the following statements is not correct about active mass?

Question # 10

The substances formed during the chemical reaction are called.

Question # 11

An equilibrium is achievable only in a:

Question # 12

Who proposed "Law of mass action"?

Prepare Complete Set Wise Chapter 1 "Chemical Equilibrium" MCQs Online With Answers


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Similar to Chapter 1, students can attempt the mcqs for all other chapters of 10th class Chemistry in English, by selecting the Chapter numbers from the top of the page.

Mcqs Solved File:

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 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.
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 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 If Qc < Kc the reaction goes in:
A. Forward
B. Reverse
C. At equilibrium state
D. None
5 What is the colour of hydrogen iodide in product?
A. Purple
B. Yellow
C. Blue
D. Colorless
6 Which gas is used to manufacture king of chemicals sulphuric acid?
A. N2
B. O2
C. Cl2
D. S
7 When CaCO3,.is heated in an open flask, it decomposes to form calcium oxides and .
A. O2
B. CO
C. CO2
D. CO3
8 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
9 Active mass is expressed as:
A. { }
B. [ ]
C. ( )
D. l l
10 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

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  • asad ullah

    asad ullah

    12 Mar 2025

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  • SHORIFUL ISLAM

    SHORIFUL ISLAM

    04 Nov 2019

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  • SHORIFUL ISLAM

    SHORIFUL ISLAM

    04 Nov 2019

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  • saeeda

    saeeda

    02 Nov 2019

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  • Hammad

    Hammad

    26 Oct 2019

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