MEDIUM
9th CBSE
IMPORTANT
Earn 100

Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water. 

Important Questions on Is Matter Around Us Pure

EASY
9th CBSE
IMPORTANT
Which of the following is a mixture?
Salt, Air, Water, Alum, Sugar.
MEDIUM
9th CBSE
IMPORTANT
Name one metal and one non-metal which exist as liquids at room temperature.
MEDIUM
9th CBSE
IMPORTANT
Name a metal which is soft and a non-metal which is hard.
EASY
9th CBSE
IMPORTANT
Name a non-metal which is a good conductor of electricity.
EASY
9th CBSE
IMPORTANT
The material which is added to water during the purification process at the waterworks to disinfect it is:
EASY
9th CBSE
IMPORTANT

The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is: