Question

● Match the following.
Column A
1. Copper sulphate solution
2. Respiration
3. Vinegar
4. Galvanising
5. Sodium hydrogencarbonate

Column B
(a) Acetic acid
(b) Baking soda
(c) Blue colour
(d) Chemical reaction
(e) Zinc plating​

Answer 1

1. Copper sulphate solution- blue colour

2. Respiration- chemical reaction

3. Vinegar- acetic acid

4. Galvanising- zinc plating

5. Sodium hydrogencarbonate- baking soda

helping hand