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)

Harshit Singh , 4 Years ago

Grade 12th pass