HARD
9th CBSE
IMPORTANT
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Define the terms; solution, suspension and colloid. Make a comparison of size of their particles.

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 15
Write the steps you would use for making tea. Use the words: Solution, solvent, solute, dissolve, soluble, insoluble, filtration and residue.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 16
Explain saturated solution giving examples.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 16
Explain colloid giving examples.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 16
Explain suspension giving examples.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 17
Solutions cannot be separated by process of filtration. 
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 17
Mass percentage of a solution containing 10 g of solute in 100 g of water is 10%.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 17
Colloid is an example of liquid dispersed in gas where size of liquid particles is nano-scale.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 2 - Is Matter Around Us Pure?>Revision Exercise>Q 17
Mixture of salt and ammonium chloride can be separated by crystallisation process.