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Question (11)

QN006622

Which method is used to separate tea leaves from tea?

(A) Distillation
(B) Filtration
(C) Sublimation
(D) Winnowing

Correct Answer: B

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Question (12)

QN006623

The liquid that passes through a filter paper is called:

(A) Residue
(B) Sediment
(C) Filtrate
(D) Crystal

Correct Answer: C

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Question (13)

QN006624

The insoluble solid left on filter paper is known as:

(A) Distillate
(B) Filtrate
(C) Residue
(D) Solvent

Correct Answer: C

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Question (14)

QN006625

Which method is used to separate cream from milk?

(A) Filtration
(B) Centrifugation
(C) Winnowing
(D) Sieving

Correct Answer: B

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Question (15)

QN006626

Centrifugation works on the basis of difference in:

(A) Density
(B) Colour
(C) Boiling point
(D) Solubility

Correct Answer: A

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Question (16)

QN006627

Which machine in homes works on the principle of centrifugation?

(A) Refrigerator
(B) Washing machine spin dryer
(C) Microwave oven
(D) Vacuum cleaner

Correct Answer: B

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Question (17)

QN006628

In centrifugation, heavier particles move:

(A) Towards the centre
(B) Outwards and settle
(C) Upwards in air
(D) Randomly

Correct Answer: B

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Question (18)

QN006629

Which method separates immiscible liquids?

(A) Sublimation
(B) Distillation
(C) Separating funnel
(D) Sieving

Correct Answer: C

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Question (19)

QN006630

In a mixture of oil and water, oil forms the upper layer because it is:

(A) More dense
(B) Less dense
(C) Soluble in water
(D) Heavier

Correct Answer: B

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Question (20)

QN006631

Which process converts solid directly into vapour?

(A) Melting
(B) Evaporation
(C) Sublimation
(D) Condensation

Correct Answer: C

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Question (11)

Which method is used to separate tea leaves from tea?

Explanation:

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Question (12)

The liquid that passes through a filter paper is called:

Explanation:

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Question (13)

The insoluble solid left on filter paper is known as:

Explanation:

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Question (14)

Which method is used to separate cream from milk?

Explanation:

Link:

Question (15)

Centrifugation works on the basis of difference in:

Explanation:

Link:

Question (16)

Which machine in homes works on the principle of centrifugation?

Explanation:

Link:

Question (17)

In centrifugation, heavier particles move:

Explanation:

Link:

Question (18)

Which method separates immiscible liquids?

Explanation:

Link:

Question (19)

In a mixture of oil and water, oil forms the upper layer because it is:

Explanation:

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Question (20)

Which process converts solid directly into vapour?

Explanation:

Link:

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