EASY
9th CBSE
IMPORTANT
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Which of the following will show Tyndall effect?

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Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A
What is the order of the method applied to separate the components of a mixture of salt, sand and ammonium chloride?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A
A mixture of sulphur and carbon disulphide is
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A
Rusting of an article made up of iron is called
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A

Which of the following are chemical changes?

i. Sawing of wood ii. Burning of wood iii. Decaying of wood iv. Hammering of a nail into a piece of wood.

HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A
To a solution of copper(ll) sulphate pentahydrate in a test tube, few iron filings are added. Which of the following is incorrect?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A
About 0.5 g of soil was taken in a test tube and to this, 10 ml of water was added. The mixture was shaken thoroughly and was allowed to stand in a test tube stand. The mixture was filtered. Which of the following is correct regarding the filtrate?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A
To a mixture of sulphur, iron filings, carbon and potassium chloride taken in a test tube, water was added. The mixture was shaken thoroughly and filtered. The filtrate contains
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q A
About 5 mL of dilute hydrochloric acid is taken in a test tube. To this, a few pieces of granulated zinc are added. Which of the following is true?