Question

5. Zinc ana coppel surprial
IV. Match the columns A, B and C suitably.
- Column C
Column A
Column B.
(a) evolution of CO2
(i) vinegar
1. physical change
2. chemical change
(ii) slaked lime
(b) rust
(iii) air + water
(c) irreversible
3. cooking of food
4. baking soda
(d) reversible
(iv) melting of ice
(V) ripening of fruit
(e) chemical change
5. iron
(vi) new substance is formed
(f) exothermic reaction
6. quicklime + water​

Answer 1

Answer:

sorry but i dont know any one of it.....