Question

1. Which of the following is not a Mixture?

(a) Aerated drink (b) Iron sulphide (c) Cough syrup (d) Paint.

2. Which of the following examples are Physical Change?

i.Dissolving salt in water ii. Burning of Wood

iii. Rusting of iron iv. Drying of wet clothes

(a) Reaction (i) and (ii) (b) Reaction (ii) and (iii)

(c) Reaction (ii) and (iv) (d) Reaction (i) and (iv)​

Answer 1

Answer:

1) iron sulphide

Explanation:

dissolving salt in water

rusting of iron

buring of wood