(a) | Iron + Oxygen + Water → | .................... |
(b) | Vinegar + Baking soda → | .................... |
(c) | Carbon dioxide + Lime water → | .................... |
(d) | Copper sulphate + Iron → | .................... |
(a) Iron oxide.
(b) Carbon dioxide + Water + Other substances.
(c) Calcium carbonate + Water
(d) Iron sulphate + Copper