Separation of Substances-Methods of Separation [CBSE (Central Board of Secondary Education) Class-6 Science]: Questions 5 - 10 of 14

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Question 5

Question MCQ▾

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

Choices

Choice (4)Response

a.

Sieving

b.

Threshing

c.

Winnowing

d.

None of the above

Edit

Question 6

Question MCQ▾

Threshing is defined as:

Choices

Choice (4)Response

a.

Method to separate undesirable substances

b.

Method of separating husk from grains

c.

Method to separate grains from stalks

d.

None of the above

Edit

Question 7

Question MCQ▾

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 sedimentation and decantation

d.

Using two methods of separation decantation and filtration

Edit

Question 8

Question MCQ▾

Method used to separate lighter material from heavier one is called as:

Choices

Choice (4)Response

a.

Winnowing

b.

Sieving

c.

Threshing

d.

Hand picking

Edit

Question 9

Question MCQ▾

Evaporation is used to obtain a:

Choices

Choice (4)Response

a.

Common salt dissolved in water

b.

Common salt from sea-water

c.

Solid substance that has dissolved in water

d.

All a., b. and c. are correct

Edit

Question 10

Question MCQ▾

Method of separation used to separate undesirable substances are:

Choices

Choice (4)Response

a.

Sieving

b.

Hand picking

c.

Threshing

d.

Winnowing

Edit