Elements, Compounds and Mixtures - ICSE STD 8 CHEMISTRY Questions - Vidyadip

Question types

Elements, Compounds and Mixtures question types

54 questions across 5 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.

54

Questions

5

Question groups

5

Question types

[1 Mark Question Answer]

[2 Mark Question Answer]

[3 Mark Question Answer]

[5 Mark Question Answer]

MCQ

Sample Questions

Elements, Compounds and Mixtures questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1[1 Mark Question Answer]1 Mark

Give one example for the following types of mixtures : liquid$-$gas homogenous mixture

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Q 2[1 Mark Question Answer]1 Mark

Give one example for the following types of mixtures : misicible liquids

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Q 3[1 Mark Question Answer]1 Mark

Give one example for the following types of mixtures : solid$-$liquid heterogenous mixture.

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Q 4[1 Mark Question Answer]1 Mark

Give one example for the following type of mixtures. solid$-$solid homogenous mixture.

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Q 5[1 Mark Question Answer]1 Mark

Name: an Inert Gas

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Q 6[2 Mark Question Answer]2 Marks

Why is iron sulphide a compound ?

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Q 7[2 Mark Question Answer]2 Marks

How is sodium chloride different from its constituent elements ?

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Q 8[2 Mark Question Answer]2 Marks

Define : Compounds

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Q 9[3 Mark Question Answer]3 Marks

Give two applications of chromatography.

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Q 10[3 Mark Question Answer]3 Marks

What are the advantages of chromatography?

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Q 11[3 Mark Question Answer]3 Marks

What is chromatography? For which type of mixture is it used?

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Q 12[3 Mark Question Answer]3 Marks

Define mixture.

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Q 13[3 Mark Question Answer]3 Marks

Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method. Calcium carbonate and sodium chloride

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Q 14[5 Mark Question Answer]5 Marks

State four differences between compounds and mixtures.

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Q 15[5 Mark Question Answer]5 Marks

Why is it necessary to separate the constituents of a mixture.

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Q 16[5 Mark Question Answer]5 Marks

Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method. Chalk powder from water

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Q 17[5 Mark Question Answer]5 Marks

Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method. Salt from sea water

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Q 18[5 Mark Question Answer]5 Marks

Classify the following substances into compounds and mixtures:

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Q 19MCQ1 Mark

Choose the most appropriate answer Which of the gas is highly soluble in water ?

✓
Ammonia
B
Nitrogen
C
Carbon monoxide
D
Oxygen

Answer: A.

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Q 20MCQ1 Mark

Choose the most appropriate answer : A solvent of Iodine is

A
Water
B
Kerosene oil
✓
Alcohol
D
Petrol

Answer: C.

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Q 21MCQ1 Mark

Choose the most appropriate answer Which of the following property is not shown by compounds?

✓
They are heterogeneous.
B
They are homogeneous
C
They have definite molecular formulae.
D
They have fixed melting and boiling points

Answer: A.

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Q 22MCQ1 Mark

Choose the most appropriate answer $A$ pair of metalloids are

A
$Na$ and $Mg$
✓
$B$ and $ Si$
C
$C$ and $P $
D
$He$ and $A$

Answer: B.

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Q 23MCQ1 Mark

Choose the most appropriate answer: A mixture of sand and ammonium chloride can be separated by

A
filtration
B
distillation
✓
sublimation
D
crystallisation

Answer: C.

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