HARD
9th CBSE
IMPORTANT
Earn 100

Define element, compound and mixture. Give two differences between homogeneous and heterogeneous mixtures. Identify each of the following substance as mixture, compound or element:
(i) Sugar
(ii)mercury
(iii) tea
(iv)sulphur
(v) milk
(vi) silver
(vii) table salt 
(viii) wood
(ix) smoke
(x) boron.

Important Questions on Is Matter Around Us Pure?

EASY
9th CBSE
IMPORTANT
Which of the two: soap solution or sugar solution scatter light? 
EASY
9th CBSE
IMPORTANT
What is meant by a pure substance? Give example.