HARD
9th CBSE
IMPORTANT
Earn 100

How would you confirm that a colourless liquid given to you is pure water?

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 38
Choose the solutions from among the following mixtures
Soil, Sea-water, Air, Coal, Soda-water
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 39
Is air a mixture or a compound? Give three reasons for your answer.
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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.