Question

Select each change that is a chemical change:

I) The burning of a piece of wood.


II) The melting of an ice cube.


III) The evaporation of water.


answer options:
A. I only
B. II and III only
C. III only
D. all three

Answer 1

|) The burning of a piece of wood.

Step-by-step explanation:

The burning of wood leads to the formation of new substances like ash(carbon), carbon dioxide gas, water vapour, heat and light. This change is irreversible and hence a chemical change.