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9th CBSE
IMPORTANT
Earn 100

A mixture of sulphur and carbon disulphide is

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Important Questions on Is Matter Around Us Pure?

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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 2
The pair of substance (s) that can be separated by sublimation is/are
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 3
Which of the following substance cannot be broken down by a chemical method?
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 4
During purification of water, which of the following step(s) is incorrect?
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 5

Which of the following are physical changes?

(i)Melting of iron metal

(ii)Rusting of iron

(iii)Bending of an iron rod

(iv)Drawing a wire of iron metal

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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 9
What are solute and solvent in aerated drink?
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 10
Name the two components of a colloid.
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 11
What is the particle size of a colloidal solution?
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9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 12
Define the term colloidal solution.