Notifications
Clear all
Physical and Chemical Changes
1
Posts
2
Users
0
Likes
308
Views
0
09/07/2021 12:56 pm
Topic starter
(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
0
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