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Physical and Chemical Changes
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09/07/2021 12:56 pm
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(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)
1 Answer
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09/07/2021 12:58 pm
(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