MEDIUM
9th CBSE
IMPORTANT
Earn 100

Is air a mixture or a compound? Give three reasons for your answer.

Important Questions on Is Matter Around Us Pure

MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 40
Give two reasons for supposing that water is a compound and not a mixture.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 41
Define a compound. Give two points of evidence to show that sodium chloride is a compound.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 42
Define a mixture. Give two points of evidence to show that the sugar solution is a mixture.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 43
State two reasons for supposing that brass is a mixture and not a compound.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 44
List five characteristics by which compounds can be distinguished from mixtures.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 45
Explain why, a solution of salt in water is considered a mixture and not a compound.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 46
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
HARD
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 47
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound?