Question

which.of.the.following. chemical.change.i)melting.of.wax.ii)boiling.of.water.iii)melting.of.ice.iv)burning.of.coal​

Answer 1

Answer:

iv) Burning of coal.

Explanation:

Burning of coal is a chemical change because once the coal is burnt into ash it is not possible to get back the coal again.

Hope it helps.

Answer 2

Answer:

.iv)burning.of.coal​