Question

2. State whether the following statements are true or false. In case a statement is false, write the corrected statement in your notebook. (a) Cutting a log of wood into pieces is a chemical change. (True/False) (b) Formation of manure from leaves is a physical change. (True/False)
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Answer 1

Explanation:

Solution 2:

(a) Cutting a log of wood into pieces is a chemical change.

Ans. False

Correct Statement: Cutting a log of wood into pieces is an irreversible physical change.

(b) Formation of manure from leaves is a physical change.

Ans. False

Correct Statement: Formation of manure from leaves is a chemical change.

(c) Iron pipes coated with zinc do not get rusted easily.

Ans. True

(d) Iron and rust are the same substances.

Ans. False

Correct Statement: Iron and rust are different chemical substances. Rust is iron oxide.

(e) Condensation of steam is not a chemical change.

Ans. True

Answer 2

Explanation:

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