Question

A. Chose the correct answer.

1. Which of the following occurs due to evaporation?

a. Drying of clothes
b. Burning of paper
c. Conversion of ice into water
d. Conversion of water into ice

2. Burning of coal is an example of ________.
a. a chemical change
b. a reversible change
c. a physical change
d. an undesirable change

3. Boiling is a ________.

a. physical change
b. chemical change
c. irreversible change
d. both (a) and (b)

4. Which of the following is an irreversible physical change?

a. Melting of butter
b. Cutting of wood
C. Freezing of water
d. Stretching of a rubber band

5. Which of the following does not affect evaporation?

a. Surface area
b. Nature of vessel
c. Temperature
d. Humidity​​

Answer 1

1. Which of the following occurs due to evaporation?

• Conversion of ice into water occurs due to evaporation. [Option (c)]

2. Burning of coal is an example of _____.

• Burning of coal is an example of a chemical change. [Option (a)]

3. Boiling is a _____.

• Boiling is a physical change. [Option (a)]

4. Which of the following is an irreversible physical change?

• Cutting of wood is an irreversible physical change. [Option (b)]

5. Which of the following does not affect evaporation?

• Nature of vessel does not affect the evaporation. [Option (b)]

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Answer 2

Answer:

1. Conversion of ice into water

2. a chemical change

3.physical change .

4. freezing of water

5.d. Humidity​​

Hope it helps u !!