EASY
9th Chhattisgarh Board
IMPORTANT
Earn 100

Identify matter from among the following

Water, air, chair, stone, the scent of a flower, iron, thoughts.

Important Questions on Matter : Nature and Behaviour

HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 2
20g 'A' and 40g 'B' give 25g 'C', 15g 'D' and 20g 'E' in a reaction. Use these observations to explain the law of conservation of mass.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 1

Identify solutions, suspensions and colloids from among the given mixtures –

salt dissolved in water, mud in water, milk in water.

HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 2

Which amongst the following mixtures will show Tyndall effect

sugar in water, ink in water, starch solution, salt solution.

HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 3
250g of washing soda was dissolved in 1kg of water. Find the concentration of the solution in terms of mass percentage.
HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 4
When we add 1-2 drops of rice water (pasiya) in 100mL water, what do we get a colloid or a suspension? Explain with reasons.
HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 1
Group the following substances into elements or compounds: potassium, lime water, sulphur, washing soda, carbon, lead, vinegar.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 2
We get a white powder when we burn magnesium ribbon in the air. Is this powder an element or a compound? Give reasons for your answer.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 2 - Matter : Nature and Behaviour>Questions>Q 3
What is common salt – element, compound or mixture? Explain.