Question

Match the following:
Column A
1. Melting of wax
2. Rusting of iron
3. Galvanisation
4. Sodium chloride
5. Corrosion of iron
Column B
(i) Chemical change
(ii) Preventing rusting
(iii) Rusting
(iv) Physical change
(v) Salt​

Answer 1

Answer:

1. Melting of wax -- Physical change

2. Rusting of iron -- Chemical change

3. Galvanisation -- Preventing rusting

4. Sodium chloride -- Salt

5. Corrosion of iron -- Rusting