MEDIUM
9th CBSE
IMPORTANT
Earn 100

Is rain water or distilled water a pure substance?

Important Questions on Is Matter Around Us Pure

EASY
9th CBSE
IMPORTANT

Define elements. Give two examples.

MEDIUM
9th CBSE
IMPORTANT

Which of the following are elements?

sugar, salt, mercury, iron, diamond, gold, soap, air, hydrogen, oxygen.

MEDIUM
9th CBSE
IMPORTANT

Define metals. Give two examples.

EASY
9th CBSE
IMPORTANT

Define non-metals. Give two examples.

MEDIUM
9th CBSE
IMPORTANT

Define metalloids. Give two examples.

MEDIUM
9th CBSE
IMPORTANT

Name two elements which become liquid slightly above 30oC.

MEDIUM
9th CBSE
IMPORTANT

What are homogeneous mixtures? Explain with examples.

MEDIUM
9th CBSE
IMPORTANT

What are heterogeneous mixtures? Give two examples.