Question

Liquids generally have lower density as compared to solids. but you must have observe that ice floats on water. find out why.

Answer 1

Many solids have less density as compared to liquids.
Density is the no. of molecules per unit area.
Mercury is the densest liquid and many solids float on it.
Ice has less density than water as it is made of water only so it floats on water.

Answer 2

Density is the no. of molecules per unit area.Mercury is the densest liquid and many solids float on it. Ice has less density than water.that's why it floats