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

Such reactions which continue in both directions are called.

Question # 2

The value of Kc depends on.

Question # 3

Such reationsin which reactants and products are sufficient in quantities the Kc value of equilibrium state will be

Question # 4

The substances formed during the chemical reaction are called.

Question # 5

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

Question # 6

The forward reaction takes place:

Question # 7

Which gas is used to prepare ammonia?

Question # 8

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

Question # 9

When the magnitude of Kc is very small it indicates.

Question # 10

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

Question # 11

Which type of reactions take place in both directions?

Question # 12

The reaction goes from left to right , if:

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

Sr.# Question Answer
1 Which gas is used to prepare ammonia?
A. N2
B. O2
C. Cl2
D. S
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 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.
4 What is the colour of hydrogen iodide in product?
A. Purple
B. Yellow
C. Blue
D. Colorless
5 The color of Iodine is:
A. Purple
B. Black
C. Red
D. Pink
6 The value of equilibrium constant (Kc) depends only on:
A. temperature
B. Pressure
C. concentration
D. density
7 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.
8 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
9 An equilibrium is achievable only in a:
A. big system
B. small system
C. open system
D. closed system
10 Which types of reaction speed up gradually?
A. Irreversible reactions
B. Reversibel reactions
C. Forward reactions
D. Decomposition reactions.

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