The main component of natural gas used for cooking is MCQ with Answer and Explanation

Question Report Error

The main component of natural gas used for cooking is

A. Butane

B. Methane

C. Propane

D. Ethane

Answer: Option B

Solution (By JKExamLibrary)

Methane (CH₄) is primary component. LPG is mainly propane and butane. CNG is compressed methane. This relates to everyday physics and chemistry.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1 Report Error

Which of the following is a good conductor of electricity?

A. Copper

B. Glass

C. Wood

D. Rubber

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Correct Answer: Option A

Explanation:
Copper has free electrons, very low resistivity, excellent conductor. Glass, rubber, wood are insulators. Silver best conductor, but copper widely used. Graphite conducts but non-metal.

This question belongs to: Science Physics

Question #2 Report Error

The SI unit of luminous intensity is

A. Lux

B. Candela

C. Watt

D. Lumen

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Correct Answer: Option B

Explanation:
Candela (cd) is one of the seven SI base units, measures luminous intensity. Lumen is luminous flux (lm = cd·sr). Lux is illuminance (lx = lm/m²). Watt is power.

This question belongs to: Science Physics

Question #3 Report Error

The direction of magnetic field lines inside a bar magnet is

A. Same as outside

B. South to North

C. North to South

D. Random

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Correct Answer: Option B

Explanation:
Outside magnet, lines from North to South. Inside magnet, they go from South to North, forming closed loops. Magnetic field lines continuous, no start/end.

This question belongs to: Science Physics

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