Separation of Substances (CBSE Class-6 Science): Questions 6 - 10 of 19

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Question number: 6

» Separation of Substances » Water and Its Properties » Can Water Dissolve Any Amount of a Substance?

MCQ▾

Question

A given quantity of water can dissolve

Choices

Choice (4) Response

a.

Maximum amount of a substance

b.

Maximum amount of substance (at a particular temperature)

c.

Minimum amount of a substance

d.

Question does not provide sufficient data or is vague

Question number: 7

» Separation of Substances » Methods of Separation » Sieving

MCQ▾

Question

Method of separating a mixture by using sieve is called as:

Choices

Choice (4) Response

a.

Winnowing

b.

Sieving

c.

Threshing

d.

None of the above

Question number: 8

» Separation of Substances » Water and Its Properties » Saturated Solution

MCQ▾

Question

A saturated solution is defined as:

Choices

Choice (4) Response

a.

A saturated solution contains the maximum amount of substance which can be dissolved in it at that temperature.

b.

Solution in which more substance can be dissolved at that temperature

c.

A solution in which no more substance can be dissolved at that temperature

d.

Both a. and c. are correct

Question number: 9

» Separation of Substances » Methods of Separation » Threshing

MCQ▾

Question

Threshing is defined as:

Choices

Choice (4) Response

a.

Method of separating husk from grains

b.

Method to separate grains from stalks

c.

Method to separate undesirable substances

d.

Question does not provide sufficient data or is vague

Question number: 10

» Separation of Substances » Methods of Separation » Combination of Methods of Separation

MCQ▾

Question

A mixture of sand and salt will be separated by:

Choices

Choice (4) Response

a.

Using two methods of separation filtration and condensation

b.

Using two methods of separation filtration and evaporation

c.

Using two methods of separation decantation and filtration

d.

Using two methods of separation sedimentation and decantation

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