Question

Multiple Choice Questions
Which of the following is a physical change? [NCERT Exemplar]
(a) Rusting of iron
(b) Combustion of magnesium ribbon
(c) Burning of candle
(d) Melting of wax

Answer 1

Answer:

option a and b

Explanation:

a and b as their physical status are changing.

Answer 2

Answer:

(d) is a correct answer.

Explanation:

In melting of wax, only the state of wax changes from solid to liquid. It is a reversible reaction and no new substance is formed