Q33 of 176 Page 124

An iron nail sinks in water but it floats in mercury. Why?

An iron nail floats on mercury because the density of mercury is greater than the density of iron. But the density of water is less than that of iron so it sinks in water.


More from this chapter

All 176 →
3

Why do we feel light on our feet when standing in a swimming pool with water up to our armpits?

 32

Explain why, big boulders can be moved easily by flood.

 34

Explain why, a piece of glass sinks in water but it floats in mercury.

 35

Steel sinks in water but a steel boat floats. Why?