Question

a H. Very short-answer type questions : 1. Is burning of wood a chemical change or a physical change? 2. Ice melts and becomes water. Is it a chemical change or a physical change? 3. Is beating aluminium to make aluminium foil, a chemical change? 4. Which substance is represented by Ca(OH),? a​

Answer 1

Answer:

h2o

Explanation:

H. Very short-answer type questions : 1. Is burning of wood a chemical change or a physical change? 2. Ice melts and becomes water. Is it a chemical change or a physical change? 3. Is beating aluminium to make aluminium foil, a chemical change? 4. Which substance is represented by Ca(OH),? a

Answer 2

Answer:

1 is chemical change

2 is physical change

3 is physical change

calcium hydroxide Ca(OH)2