Which gas is required for fire to burn? MCQ with Answer and Explanation

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Which gas is required for fire to burn?

A. Carbon Dioxide

B. Argon

C. Oxygen

D. Nitrogen

Answer: Option C

Solution (By JKExamLibrary)

Combustion is a chemical reaction that requires oxygen.

This question belongs to: Static General Knowledge Science and Technology

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Which of these is a major source of greenhouse gas emissions?

A. Electric Cars

B. Fossil Fuel Burning

C. Planting Forests

D. Solar Panel Manufacturing

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Correct Answer: Option B

Explanation:
Burning coal, oil, and gas for electricity and transport is a leading cause of emissions.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

What does 'CPU' stand for?

A. Central Power Unit

B. Computer Processing Utility

C. Connected Processing Unit

D. Central Processing Unit

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Correct Answer: Option D

Explanation:
The CPU (Central Processing Unit) is the main processor of a computer.

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The first antibiotic discovered was:

A. Aspirin

B. Tetracycline

C. Streptomycin

D. Penicillin

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Correct Answer: Option D

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Penicillin by Alexander Fleming.

This question belongs to: Static General Knowledge Science and Technology

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