ICSE ICSE Class 8 - CISCE Question Bank Solutions for Chemistry

Name three reducing agents ?

State the term:

The property by which atoms of an element link together to form long chain or ring compounds. 

Is kerosene an electrolyte or a non-electrolyte ?

What are the characteristics of a chemical reaction ? A chemical reaction is characterised by an irreversible change in which a new substance is formed.

Explain the type of reactions on the basis of the direction of reaction.

What are the main causes of water pollution ? How can it be controlled ?

Write a short note on the information derived from a balanced chemical equation.

How is a strong electrolyte different from a weak electrolyte?

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.