ICSE ICSE Class 8 - CISCE Question Bank Solutions

Give reason  of Alcohol is mixed with water and is used in car radiator.

Give reason of Icebergs float on ocean water.

Give reason of Carbonated drinks are bottled under high pressure.

Water has ...................... density and .................. volume at 4°C.

Freezing mixture contains  .............  and  .............

The solubility of a gas in water.............. with rise in temperature and.......................with rise in pressure.

.................... is the purest form of natural water.

Use of excessive .................... by farmers causes water pollution.

 Match the statements in column A with that in column B.

Give one word for the following statement:

Water fit for human consumption .

Give one word  for the following statement:

The harmful substances dissolved in water .

Fill in the blank

...............is used in making black shoe polish.

Give one word for the following statement :

The change of states of water from one form to another .

Give one word  for the following statement:

The gaseous form of water found in air .

Give one word for the following statement:

A mixture of common salt and ice .

Choose the correct alternative

Lamp black is

Choose the correct alternative

The process by which decayed plants slowly convert into coal is called.

Define the following:

Carbonization

Define the following:

Adsorption

Name the following:

Substances whose atoms or molecules are not arranged in a geometrical pattern.