MCQ Types of Changes Chapter 2 Class 9 Science

MCQ’s For All Chapters – Science Class 9th

1. There will be total 14 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. The formation of water from oxygen and hydrogen is a _______ .

Physical change

Chemical change

Reversible change

Both Physical and Reversible change

Question 1 of 14

2. Which of the following involves physical change?

Grinding

Tearing

Cutting

All of the above

Question 2 of 14

3. Which of the following statements is incorrect about physical changes?

There is no gain or loss of energy.

It is permanent and irreversible.

Composition of the substance remains same.

No new substance is formed.

Question 3 of 14

4. Burning of a candle is an example of:

Physical change

Physical and chemical change

Chemical change

Reversible change

Question 4 of 14

5. Heating of a sugar is a _______ change.

physical

chemical

reversible

natural

Question 5 of 14

6. Which of the following parameters of a substance does not alter during a physical change?

State

Mass

Volume

Size

Question 6 of 14

7. Which of the following reaction involves a chemical change?

Weathering of rocks

Freezing of water

Copper metal drawn into wires

Ripening of fruits

Question 7 of 14

8. Which of the following statement is correct?

Both burning of a paper and cooking of food are examples of a physical change

Both burning of wood and cooking of food are are examples of a chemical change.

Burning of a paper is a physical change and cooking of food is a chemical change.

Burning of a paper is chemical change and cooking of food is a physical change.

Question 8 of 14

9. Freezing, condensation and evaporation processes are examples of:

Chemical change

Physical change

Both physical and chemical change

Neither physical change nor chemical change

Question 9 of 14

10. What type of change takes place when a sodium hydroxide pellet is added to water?

Reversible change

Reversible chemical change

Physical change

Chemical change

Question 10 of 14

11. Assertion : When a beam of light is passed through a colloidal solution placed in a dark place the path of the beam becomes visible.
Reason : Light gets scattered by the colloidal particles.

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true.

Question 11 of 14

12. Assertion : A solution of table salt in a glass of water is homogeneous.
Reason : A solution having different composition throughout is homogeneous.

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true

Question 12 of 14

13. Assertion : Colloidal solutions are stable and the colloidal particles do not settle down.
Reason : Brownian movement counters the force of gravity acting on colloidal particles.

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true

Question 13 of 14

14. ASSERTION-Steel is the alloy substance.
REASON-Alloy are mixture of two or metals or metal and a non- metal and cannot be separated into their components by physical methods.

a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.

b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.

c.) Assertion is true but Reason is false.

d.) Assertion is false but Reason is true

Question 14 of 14

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