Identify the chemical change.
Formation of clouds
Stretching of metals to form wires
Cutting of a log of wood
Formation of manure
Formation of manure from leaves is a chemical change since it involves the formation of a new product with different properties.
Formation of manure from leaves is a chemical change.
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. (b) Formation of manure from leaves is a physical change (c) Iron pipes coated with zinc do not get rusted easily. (d) Iron and rust are the same substances. (e) Condensation of steam is not a chemical change.