Which of these is a noble gas? MCQ with Answer and Explanation

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Which of these is a noble gas?

A. Nitrogen

B. Neon

C. Hydrogen

D. Oxygen

Answer: Option B

Solution (By JKSSB Mock Tests)

Neon is a noble gas, belonging to Group 18 of the periodic table.

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Question #1

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Which of these is a renewable energy source derived from plants?

A. Biofuel

B. Coal

C. Diesel

D. Petrol

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Correct Answer: Option A

Explanation:
Biofuel is derived from biomass, such as plant materials.

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Question #2

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What is the SI unit of mass?

A. Gram

B. Milligram

C. Pound

D. Kilogram

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Correct Answer: Option D

Explanation:
The kilogram (kg) is the base SI unit of mass.

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Question #3

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Which technology enables wireless communication over very short distances?

A. Satellite Radio

B. NFC (Near Field Communication)

C. AM Radio

D. Fiber Optics

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Correct Answer: Option B

Explanation:
NFC is used for secure short-range wireless communication, like contactless payments.

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