EASY
8th ICSE
IMPORTANT
Earn 100

Which of the following statements are true for pure substances?

(i) Pure substances contain only one kind of particle.

(ii) Pure substances may be compounds or mixtures.

(iii) Pure substances have the same composition throughout.

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Important Questions on Elements, Compounds and Mixtures

EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 8
A solution of sugar and water is a:
EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 10
A mixture of sand and iron filings can be separated by:
EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 11
Common salt is recovered from seawater by the process of:
EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 4
Milk is a homogeneous mixture.
EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 5
Crystallisation is a method of purification of sugar.
EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 6
Salt and water form a homogeneous mixture.
EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 7
On filtering a solution, the part collected on the filter paper is called filtrate.
EASY
8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 8
Centrifugation process is used for separating cream from the milk.