Types of Changes, Class 9 Science

1. There will be total 10 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 10

2. Which of the following involves physical change?

 Grinding

 Tearing

 Cutting

 All of the above

Question 2 of 10

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 10

4. Burning of a candle is an example of:

 Physical change

 Physical and chemical change

 Chemical change

 Reversible change

Question 4 of 10

5. Heating of a sugar is a _______ change.

 physical

 chemical

 reversible

 natural

Question 5 of 10

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

 State

 Mass

 Volume

  Size

Question 6 of 10

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 10

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 10

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 10

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 10

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