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Question (1)

QN005002

Which method of separation uses a magnet to separate components of a mixture?

(A) Sieving
(B) Filtration
(C) Magnetic separation
(D) Decantation

Correct Answer: C

Explanation:

Magnetic separation uses a magnet to separate magnetic substances from non-magnetic substances.

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Question (2)

QN005003

Magnetic separation works on the basis of differences in:

(A) Colour
(B) Magnetic properties
(C) Size
(D) Shape

Correct Answer: B

Explanation:

Magnetic substances are attracted by magnets while non-magnetic substances are not.

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Question (3)

QN005004

Which of the following is a magnetic substance?

(A) Wood
(B) Plastic
(C) Iron
(D) Glass

Correct Answer: C

Explanation:

Iron is attracted towards a magnet.

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Question (4)

QN005005

A carpenter accidentally mixes iron nails with sawdust. Which method is most suitable for separation?

(A) Churning
(B) Filtration
(C) Magnetic separation
(D) Evaporation

Correct Answer: C

Explanation:

A magnet can easily attract iron nails from sawdust.

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Question (5)

QN005006

Substances that are attracted towards a magnet are called:

(A) Soluble substances
(B) Insoluble substances
(C) Magnetic substances
(D) Transparent substances

Correct Answer: C

Explanation:

Magnetic substances are attracted by magnets.

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Question (6)

QN005007

Which of the following will be attracted by a magnet?

(A) Iron pin
(B) Rubber band
(C) Wooden stick
(D) Chalk piece

Correct Answer: A

Explanation:

Iron is a magnetic material.

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Question (7)

QN005008

A mixture contains paper clips and sand. Which method can separate them most quickly?

(A) Sieving
(B) Sedimentation
(C) Magnetic separation
(D) Decantation

Correct Answer: C

Explanation:

Paper clips are magnetic and can be removed using a magnet.

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Question (8)

QN005009

Which property makes iron nails easy to separate from sawdust using a magnet?

(A) Colour difference
(B) Difference in mass
(C) Magnetic nature of iron
(D) Solubility in water

Correct Answer: C

Explanation:

Iron is attracted by magnets.

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Question (9)

QN005010

Which of the following substances is non-magnetic?

(A) Iron
(B) Steel pin
(C) Iron nail
(D) Wood

Correct Answer: D

Explanation:

Wood is not attracted by a magnet.

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Question (10)

QN005011

Separation of magnetic and non-magnetic substances by using a magnet is called:

(A) Winnowing
(B) Filtration
(C) Magnetic separation
(D) Churning

Correct Answer: C

Explanation:

This process is known as magnetic separation.

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Question (1)

Which method of separation uses a magnet to separate components of a mixture?

Explanation:

Link:

Question (2)

Magnetic separation works on the basis of differences in:

Explanation:

Link:

Question (3)

Which of the following is a magnetic substance?

Explanation:

Link:

Question (4)

A carpenter accidentally mixes iron nails with sawdust. Which method is most suitable for separation?

Explanation:

Link:

Question (5)

Substances that are attracted towards a magnet are called:

Explanation:

Link:

Question (6)

Which of the following will be attracted by a magnet?

Explanation:

Link:

Question (7)

A mixture contains paper clips and sand. Which method can separate them most quickly?

Explanation:

Link:

Question (8)

Which property makes iron nails easy to separate from sawdust using a magnet?

Explanation:

Link:

Question (9)

Which of the following substances is non-magnetic?

Explanation:

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Question (10)

Separation of magnetic and non-magnetic substances by using a magnet is called:

Explanation:

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