Default Title

Question (21)

QN0029193

Which of the following quantities can be calculated if mass and density are known?

(A) Area
(B) Volume
(C) Length
(D) Temperature

Correct Answer: B

Explanation:

Volume = Mass ÷ Density.

Link:

Report Error

Question (22)

QN0029194

A substance has mass 96 g and volume 120 cm³. What is its density?

(A) 0.6 g/cm³
(B) 0.8 g/cm³
(C) 1.2 g/cm³
(D) 1.6 g/cm³

Correct Answer: B

Explanation:

Density = 96 ÷ 120 = 0.8 g/cm³.

Link:

Report Error

Question (23)

QN0029195

Two blocks have equal masses. The block with smaller volume has:

(A) lower density
(B) equal density
(C) higher density
(D) zero density

Correct Answer: C

Explanation:

Smaller volume with same mass means greater density.

Link:

Report Error

Question (24)

QN0029196

A liquid has density 1.5 g/cm³. What will be the mass of 40 cm³ of this liquid?

(A) 50 g
(B) 55 g
(C) 60 g
(D) 65 g

Correct Answer: C

Explanation:

Mass = 1.5 × 40 = 60 g.

Link:

Report Error

Question (25)

QN0029197

Density is a characteristic property because:

(A) it depends on colour
(B) it helps identify substances
(C) it changes shape
(D) it depends on size only

Correct Answer: B

Explanation:

Different substances have characteristic densities.

Link:

Report Error

Question (26)

QN0029198

An object has mass 420 g and density 2.1 g/cm³. Find its volume.

(A) 150 cm³
(B) 180 cm³
(C) 200 cm³
(D) 220 cm³

Correct Answer: C

Explanation:

Volume = 420 ÷ 2.1 = 200 cm³.

Link:

Report Error

Question (27)

QN0029199

Which sample is least dense?

(A) 90 g in 30 cm³
(B) 60 g in 40 cm³
(C) 50 g in 100 cm³
(D) 120 g in 80 cm³

Correct Answer: C

Explanation:

Density = 50 ÷ 100 = 0.5 g/cm³.

Link:

Report Error

Question (28)

QN0029200

A block has density 5 g/cm³ and mass 250 g. Its volume is:

(A) 40 cm³
(B) 50 cm³
(C) 60 cm³
(D) 70 cm³

Correct Answer: B

Explanation:

Volume = 250 ÷ 5 = 50 cm³.

Link:

Report Error

Question (29)

QN0029201

A substance has mass 180 g and volume 90 cm³. What is its density?

(A) 1 g/cm³
(B) 1.5 g/cm³
(C) 2 g/cm³
(D) 2.5 g/cm³

Correct Answer: C

Explanation:

Density = 180 ÷ 90 = 2 g/cm³.

Link:

Report Error

Question (30)

QN0029202

Which statement about density is correct?

(A) Density depends only on mass
(B) Density depends only on volume
(C) Density depends on both mass and volume
(D) Density depends only on shape

Correct Answer: C

Explanation:

Density is calculated using mass and volume.

Link:

Report Error

Question (21)

Which of the following quantities can be calculated if mass and density are known?

Explanation:

Link:

Question (22)

A substance has mass 96 g and volume 120 cm³. What is its density?

Explanation:

Link:

Question (23)

Two blocks have equal masses. The block with smaller volume has:

Explanation:

Link:

Question (24)

A liquid has density 1.5 g/cm³. What will be the mass of 40 cm³ of this liquid?

Explanation:

Link:

Question (25)

Density is a characteristic property because:

Explanation:

Link:

Question (26)

An object has mass 420 g and density 2.1 g/cm³. Find its volume.

Explanation:

Link:

Question (27)

Which sample is least dense?

Explanation:

Link:

Question (28)

A block has density 5 g/cm³ and mass 250 g. Its volume is:

Explanation:

Link:

Question (29)

A substance has mass 180 g and volume 90 cm³. What is its density?

Explanation:

Link:

Question (30)

Which statement about density is correct?

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY