Question

When water is heated from 0°C to 20°C its volume
A. increases
B. decreases
C. first decrease then increase
D. remain constant till 15℃ then increases

Answer 1

decreases

hope it helps you friend!

Answer 2

C. first decrease the increase

On heating ice ,

• its density increases
• at 4°C density of Ice is maximum
• As density increases , volume decreases
• so volume will be minimum at 4°C
• Then it start increasing
• The main reason is Hydrogen bond in ice