Question

Write whether following statements are true or false.
1) Evaporation is a physical change.
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2) Baking bread is harmful change.
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3) Rusting of iron is physical change.
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4) The object become durable due to corrosion
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Answer 1

1) Evaporation is a physical change. True

2) Baking bread is harmful change. False

3) Rusting of iron is physical change. False

4) The object become durable due to corrosion. False

• Baking bread cannot be considered as a harmful change because we consume bread and it is not a threat to the environment or any other life form.
• Rusting of iron is a chemical change as in this reaction, iron reacts with oxygen to form a new compound.
• Objects do not become durable, rather are destroyed due to corrosion.

Answer 2

Explanation:

Write whether following statements are true or false.

1) Evaporation is a physical change.

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2) Baking bread is harmful change.

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3) Rusting of iron is physical change.

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4) The object become durable due to corrosion

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