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Question (31)

QN004660

Which statement is true about all matter?

(A) It has mass and occupies space
(B) It is always visible
(C) It is always solid
(D) It always dissolves in water

Correct Answer: A

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Question (32)

QN004661

Four objects have masses of 100 g, 200 g, 300 g and 400 g. What is their total mass?

(A) 800 g
(B) 900 g
(C) 1000 g
(D) 1100 g

Correct Answer: C

Explanation:

100 + 200 + 300 + 400 = 1000 g

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Question (33)

QN004662

A measuring cylinder contains 650 mL of water. How much more water is needed to reach 1 L?

(A) 250 mL
(B) 300 mL
(C) 350 mL
(D) 400 mL

Correct Answer: C

Explanation:

1000 mL − 650 mL = 350 mL

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Question (34)

QN004663

Which of the following is an example of matter in gaseous form?

(A) Ice
(B) Water vapour
(C) Stone
(D) Glass

Correct Answer: B

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Question (35)

QN004664

A box contains only air. Which statement is correct?

(A) The box is empty
(B) Air inside has no mass
(C) Air inside is matter
(D) Air occupies no space

Correct Answer: C

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Question (36)

QN004665

A tank contains 20 L of water. If 8 L are used, how much water remains?

(A) 10 L
(B) 12 L
(C) 14 L
(D) 16 L

Correct Answer: B

Explanation:

20 L − 8 L = 12 L

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Question (37)

QN004666

A solid object occupies a volume of 250 mL. Another occupies 450 mL. What is their combined volume?

(A) 600 mL
(B) 650 mL
(C) 700 mL
(D) 750 mL

Correct Answer: C

Explanation:

250 mL + 450 mL = 700 mL

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Question (38)

QN004667

Why are gases included in the category of matter?

(A) They are always visible
(B) They can change colour
(C) They have mass and occupy space
(D) They dissolve in water

Correct Answer: C

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Question (39)

QN004668

Which quantity would be most appropriate for describing the amount of water in a bucket?

(A) Hardness
(B) Volume
(C) Transparency
(D) Lustre

Correct Answer: B

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Question (40)

QN004669

A student claims that air is not matter because it cannot be seen. Why is this statement incorrect?

(A) Air is coloured
(B) Air is transparent
(C) Air occupies space and has mass
(D) Air is a liquid

Correct Answer: C

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Question (31)

Which statement is true about all matter?

Explanation:

Link:

Question (32)

Four objects have masses of 100 g, 200 g, 300 g and 400 g. What is their total mass?

Explanation:

Link:

Question (33)

A measuring cylinder contains 650 mL of water. How much more water is needed to reach 1 L?

Explanation:

Link:

Question (34)

Which of the following is an example of matter in gaseous form?

Explanation:

Link:

Question (35)

A box contains only air. Which statement is correct?

Explanation:

Link:

Question (36)

A tank contains 20 L of water. If 8 L are used, how much water remains?

Explanation:

Link:

Question (37)

A solid object occupies a volume of 250 mL. Another occupies 450 mL. What is their combined volume?

Explanation:

Link:

Question (38)

Why are gases included in the category of matter?

Explanation:

Link:

Question (39)

Which quantity would be most appropriate for describing the amount of water in a bucket?

Explanation:

Link:

Question (40)

A student claims that air is not matter because it cannot be seen. Why is this statement incorrect?

Explanation:

Link:

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