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Q.2.(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) (c)Iron pipes coated with zinc do not get rusted easily. (True/ False) (d)Iron and rust are the same substances. (True/ False) (e)Condensation of steam is not a chemical change. (True/ False)

Q.2.(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)
(c)Iron pipes coated with zinc do not get rusted easily. (True/ False)
(d)Iron and rust are the same substances. (True/ False)
(e)Condensation of steam is not a chemical change. (True/ False)

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6228 Points
2 months ago
(a)False Correct statement: Cutting a log of wood into pieces is an irreversible physical change. (b)False Correct statement: Formation of manure from leaves is a chemical change. (c) True (d)False Correct statement: Iron and rust are two different chemical substances. (e)True

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