Question

Classify the following as a chemical or physical change a) Water boils to form steam b) Burning of paper​

Answer 1

Answer:

1. physical change

2. chemical change

Answer 2

Answer:

a is physical change and b is chemical one

Explanation:

it is so as the steam formed can be brought back to the liquid form by condensation.. and also no new substance is formed. the b is chemical change as the paper cannot be brought back to the original one.. and also new substances are formed.. that are - ash and CO2