Question

बर्फ का टुकड़ा पानी पर तैरता है, क्यों ?

Answer 1

This happens due to air present in the piece of ice. When we drop a piece of ice in the water it flows on the water. This happens due to the presence of air in the piece of ice. The white lining appears in the ice are the air gaps and in these air gaps air has been collected. This prevent ice from drowning in water.

Hope this will help you..