Our Environment: Mock Test

An object _____ when the amount of water displaced is equal to the weight of the object.

Planting trees increases the level of _______ gas in the air. 

We get rain from the sea water through a natural process called  ___________ .

 Salt  is obtained from sea water through ___________ of sea water into the air..

Saltwater is a mixture of solute and solvent, it is also called _________ 

People in the Dead Sea sink because of the high amount of salt.

• True

• False

The viscosity of liquids decreases with an increase in temperature.

• True

• False

Honey has low viscosity when compared to water.

• True

• False

 Ink in pen is a solute.

• True

• False

The process of converting liquid into vapour or gas is called solidification.

• True

• False