Pre AP Chemistry -1.1C Density and Particle Packing- MCQ Exam Style Questions -New Syllabus 2025-2026

Pre AP Chemistry -1.1C Density and Particle Packing- MCQ Exam Style Questions – New Syllabus 2025-2026

Pre AP Chemistry -1.1C Density and Particle Packing- MCQ Exam Style Questions – Pre AP Chemistry – per latest Pre AP Chemistry Syllabus.

Pre AP Chemistry – MCQ Exam Style Questions- All Topics

Question

The diagram shows some liquid in a measuring cylinder. The mass of the liquid is 16 g.

What is the density of the liquid?
A 0.80 $g / cm^3$

B 1.3 $g / cm^3$

C 36 $g / cm^3$

D 320 $g / cm^3$

▶️Answer/Explanation

Ans A

Question

A student determines the position of the centre of gravity of a piece of card. The diagram shows the equipment that is available. The equipment is not drawn to scale.

Which piece of equipment is not needed?
A pencil
B pin
C weight on a thin string
D stop-watch

▶️Answer/Explanation

Ans D

Question

A concrete building block has the dimensions shown.

The mass of the block is 15000 g.
What is the density of the block?

A) 43 g / $cm^{3}$
B) 2.4 g / $cm^{3}$
C) 0.42 g / $cm^{3}$
D) 0.023 g / $cm^{3}$

▶️Answer/Explanation

Ans: B

Question

A student uses the equation ρ = $ \frac{m}{V}$ .

Which row shows the correct meaning of these symbols?

▶️Answer/Explanation

Ans: B

Question

A student uses a ruler to find the volume of water in a tank.
She measures the lengths EF and FG.

What other length does she need to measure?

A) FJ
B) FK
C) HI
D) IJ

▶️Answer/Explanation

Ans: B

Question

Which equipment is used to find the density of an irregularly shaped stone?

A) force meter and ruler
B) measuring cylinder, ruler and water
C) measuring cylinder, top pan balance and water
D) top pan balance and ruler

▶️Answer/Explanation

Ans: C

Question

Which row describes how the pressure beneath the surface of a liquid depends on the depth below the surface and on the density of the liquid?

▶️Answer/Explanation

Ans D

Question

The diagram shows some liquid in a measuring cylinder. The mass of the liquid is 16 g.

What is the density of the liquid?
A 0.80 $g / cm^3$

B 1.3 $g / cm^3$

C 36 $g / cm^3$

D 320 $g / cm^3$

▶️Answer/Explanation

Ans A

Question

Four submarines are submerged. The density of fresh water is $1000 kg / m^3$ and the density of sea water is $1020 kg/ m^3$. Which submarine experiences the greatest pressure due to the water?

▶️Answer/Explanation

Ans D

Question

A plastic bottle contains $750 cm^3$ of oil. The diagram shows the mass of the bottle being measured when it is full and then when it is empty.

What is the density of the oil?
A $0.80 g / cm^3$

B $90.93 g / cm^3$

C$ 1.1 g / cm^3$

D $1.3 g / cm^3$

▶️Answer/Explanation

Ans A

Question

A rectangular swimming pool is $50 \mathrm{~m}$ long and $25 \mathrm{~m}$ wide.
It contains water at a depth of $2 \mathrm{~m}$.
The density of the water is $1000 \mathrm{~kg} / \mathrm{m}^3$.
What is the mass of the water in the pool?

A $2.5 \mathrm{~kg}$

B $2500 \mathrm{~kg}$

C $77000 \mathrm{~kg}$

D $2500000 \mathrm{~kg}$

▶️Answer/Explanation

Ans:D

Question

A piston traps a mass of gas inside a cylinder. Initially, the piston is halfway along the length of the cylinder.

The piston is now moved towards the open end of the cylinder. The temperature of the gas remains constant.