ICSE ICSE Class 6 - CISCE Question Bank Solutions for Chemistry

What is the proportion of element present in the following compound?
H₂O

What is the proportion of element present in the following compound?
CO₂ 

What is the proportion of element present in the following compound?
CaO 

What is the proportion of element present in the following compound?
NO₂ 

Name two compounds which dissolve in water.

State three differences between water and air.

State four differences between compounds and mixtures.

State the information obtained from the formula of a compound.

Write the molecular formulae of compound calcium oxide.

Write the molecular formulae of compound hydrogen sulphide.

Write the molecular formulae of compound carbon monoxide

Write the molecular formulae of compound lead sulphide.

Explain the term compounds.

Give the example of a compound containing hydrogen and oxygen.

Give the example of a compound containing carbon and oxygen.

Give the example of a compound containing nitrogen and oxygen.

Give the example of a compound containing calcium and oxygen.

State two characteristics of water which prove that it is a – compound.

Clay is separated from water by the method of ______.

Fill in the blanks

When cereals are washed before cooking, water is separated from the cereals by ___________.