Question

13. Density of ice is less than water because
a) It forms open cage structure
b) It expands when it is cooled to 0°C
c) It forms hydrogen bond
d) All​

Answer 1

Answer:

d) all

Explanation:

Answer 2

Answer:

$c) \: it \: forms \: hydrogen \: bond$

Explanation:

Ice is less denser than water because in ice, the molecules arrange themselves in a rigid tetrahedral structure due to which cage like spaces remain in their bonding but water molecules remain in linear bonding form. As the volume of ice becomes greater, it is less denser. Density of ice is less than that of water because of open porous structure of ice due to hydrogen bonding.