Question

the density of water is 1.0 gram per centimetre cube the density of iron is 7.8 gram per centimetre cube the density of mercury is 13.6 gram per centimetre cube will the piece of iron float
or sink in water will the piece of iron float or sink in Mercury​

Answer 1

Answer:

You already gave the density of each...

lower density of two material will be floated always in the medium of higher density..

Explanation:

piece of iron will sink in water because of its more density comparing with water.

piece of iron float in mercury because of its low density compares with mediun

Answer 2

Answer:

piece of iron sink in water

piece of iron float in mercury