ICSE ICSE Class 8 - CISCE Question Bank Solutions

Describe an experiment to demonstrate the process of sublimation.

Relative density of a substance is expressed in g cm-3.

A body experiences the same buoyant force while floating in water or alcohol.

A body experiences the same buoyant force when it floats or sinks in water.

A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part. 

A body while floating sinks deeper in a liquid of low density than in a liquid of high density.

The S.I. unit of density is ..........

The density of a body which sinks in water is ......... than 1000 Kg m^-3.

A body sinks in a liquid A but floats in a liquid B. The density of liquid A is ....... than the density of liquid B.

A body X sinks in water, but a body Y floats on water. The density of the body X is ......... than the density of body Y.

The buoyant force experienced by a body when floating in saltwater is ....... to or same that of when floating in pure water.

The weight of a body floating in a liquid is ........

The relative density of alcohol is 0.8. Its density is

The density of aluminium is 2.7 g cm-3 and that of brass 8.4 g cm’3. The correct statement is

A piece of wood floats on water. The buoyant force on wood will be

The weight of a body is more than the buoyant force experienced by it, due to a liquid. The body will

Define the term Density of a substance.

Name the S.I. unit of density. How is it related to g Cm^-3?

The density of brass is 8.4 g cm-3. What do you mean by this statement?

Describe an experiment to determine the density of the material of a coin.