MEDIUM
9th CBSE
IMPORTANT
Earn 100

Name a non-metal other than carbon which shows allotropy.

8.33% studentsanswered this correctly

Important Questions on Is Matter Around Us Pure

MEDIUM
9th CBSE
IMPORTANT
Name a non-metal which is known to form the largest number of compounds. (Carbon / Sulphur / Silicon)
MEDIUM
9th CBSE
IMPORTANT

Name a metal which can be easily cut with a knife.

(Choose one of the following: carbon/sodium/iron)

MEDIUM
9th CBSE
IMPORTANT
Name a metal which has no fixed shape. (Bromine/ Mercury)
MEDIUM
9th CBSE
IMPORTANT
Name a metal which has a low melting point.
(Choose one of the following: Gallium/Iron/ Silver)
HARD
9th CBSE
IMPORTANT

Which of the following are not compounds?

Chlorine gas, Potassium chloride, Iron powder, Iron suiphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond.

MEDIUM
9th CBSE
IMPORTANT
State the main points of difference between homogeneous and heterogeneous mixtures.