EASY
9th CBSE
IMPORTANT
Earn 100

Is ink a pure substance or mixture? Give reason. 

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
Does blue ink consist of single colour or more than one colour?
EASY
9th CBSE
IMPORTANT
How is pure sugar obtained from sugar solution? 
EASY
9th CBSE
IMPORTANT
What do you observe in the china dish during crystallization? 
MEDIUM
9th CBSE
IMPORTANT
Does the crystals look pure after crystallisation?
MEDIUM
9th CBSE
IMPORTANT
How will you separate the crystals from the liquid in china dish after crystallisation?
HARD
9th CBSE
IMPORTANT
Why is sodium a metal whereas carbon non-metal? 
MEDIUM
9th CBSE
IMPORTANT
What is meant by man-made elements?