RRB Group D 2024 Question Paper (22-Dec-2025) (Shift-2)

Question 1

Which of the following is a compound?

Accepted Answer

Salt (NaCl)

Answer

Soil

Answer

Lemon juice

Answer

Air

Question 2

The image formed by a concave mirror of focal length 20 cm is real, inverted, and enlarged in size as compared to the size of the object. Which of the following is true about the position of the object?

Accepted Answer

The object is placed between 20 cm and 40 cm from the pole of the mirror.

Answer

The object is placed at 20 cm from the pole of the mirror.

Answer

The object is placed at 10 cm from the pole of the mirror.

Answer

The object is placed at 40 cm from the pole of the mirror.

Question 3

Cyclohexane is best classified as which type of organic compound?

Accepted Answer

A saturated alicyclic compound composed of six carbon atoms in a ring

Answer

A branched hydrocarbon with one or more unsaturated carbon bonds

Answer

An aromatic compound containing a delocalised $\pi$-electron ring system

Answer

An organic aldehyde consisting of a linear chain of six carbon atoms

Question 4

Which compound from the following is an unsaturated hydrocarbon?

Accepted Answer

Ethene

Answer

Butane

Answer

Methane

Answer

Propane

Question 5

Which of the following best explains the liquefaction of gases under high pressure?

Accepted Answer

Higher pressure reduces the space between particles, leading to liquefaction

Answer

Increased molecular size leads to condensation

Answer

Gases expand indefinitely, so pressure has no effect

Answer

Higher pressure increases temperature, leading to phase change

RRB Group D 2024 Question Paper (22-Dec-2025) (Shift-2)

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