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Question (11)

QN004600

Materials through which objects can be seen clearly are called

(A) opaque
(B) translucent
(C) transparent
(D) soluble

Correct Answer: C

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Question (12)

QN004601

Which of the following is transparent?

(A) Wooden plank
(B) Clear glass
(C) Cardboard
(D) Brick

Correct Answer: B

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Question (13)

QN004602

A frosted glass sheet allows light to pass but objects cannot be seen clearly through it. It is

(A) transparent
(B) opaque
(C) translucent
(D) lustrous

Correct Answer: C

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Question (14)

QN004603

Which material is opaque?

(A) Air
(B) Water
(C) Window glass
(D) Wooden door

Correct Answer: D

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Question (15)

QN004604

A student can clearly read a book through a glass sheet. The glass is

(A) translucent
(B) transparent
(C) opaque
(D) soft

Correct Answer: B

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Question (16)

QN004605

How many of the following are transparent: air, water, frosted glass, clear glass, wooden board?

(A) 2
(B) 3
(C) 4
(D) 5

Correct Answer: B

Explanation:

Air, water and clear glass are transparent.

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Question (17)

QN004606

A material through which objects can be seen, but not clearly, is called

(A) transparent
(B) opaque
(C) translucent
(D) hard

Correct Answer: C

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Question (18)

QN004607

Which set contains only transparent materials?

(A) Air, water, clear glass
(B) Water, frosted glass, air
(C) Air, wood, water
(D) Glass, cardboard, air

Correct Answer: A

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Question (19)

QN004608

Sugar disappears completely when stirred in water because sugar is

(A) opaque
(B) soluble
(C) hard
(D) translucent

Correct Answer: B

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Question (20)

QN004609

Which of the following is insoluble in water?

(A) Sugar
(B) Salt
(C) Sand
(D) Glucose

Correct Answer: C

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Question (11)

Materials through which objects can be seen clearly are called

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Question (12)

Which of the following is transparent?

Explanation:

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Question (13)

A frosted glass sheet allows light to pass but objects cannot be seen clearly through it. It is

Explanation:

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Question (14)

Which material is opaque?

Explanation:

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Question (15)

A student can clearly read a book through a glass sheet. The glass is

Explanation:

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Question (16)

How many of the following are transparent: air, water, frosted glass, clear glass, wooden board?

Explanation:

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Question (17)

A material through which objects can be seen, but not clearly, is called

Explanation:

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Question (18)

Which set contains only transparent materials?

Explanation:

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Question (19)

Sugar disappears completely when stirred in water because sugar is

Explanation:

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Question (20)

Which of the following is insoluble in water?

Explanation:

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