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hardQ. No. 11162-which-gas-supports-burning

Which gas supports burning?

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Built around the concept in “Which gas supports burning?”, this bilingual General Science item checks whether a learner can connect a scientific term with its exact property, mechanism or function. The verified answer is Oxygen. The question supports SSC, Railway, State examinations and other objective tests by strengthening accuracy across biology, chemistry, physics and environmental science while retaining clear school-level foundations.

AOxygen
BNitrogen
CCarbon dioxide
DHydrogen
Correct Answer: OxygenYour Answer: A

Explanation

Oxygen is the scientifically supported answer. The alternatives Nitrogen, Carbon dioxide and Hydrogen are legitimate scientific terms, but each belongs to a different function, property, material or context.

Important Notes

  • Verified answer: Oxygen; option A, zero-based index
  • Distractors Nitrogen, Carbon dioxide, Hydrogen represent different scientific associations.
  • Revision pair: “Which gas supports burning? — Oxygen”.

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FAQ

General Science FAQs

Common questions and clear answers for this topic.

Which gas supports burning?

Oxygen.

Which concept should be used to solve this item?

Use the defining property and mechanism from chemistry.

Why are the other options unsuitable?

Nitrogen, Carbon dioxide, Hydrogen belong to different functions, properties or contexts.

How should this fact be revised?

Connect “Which gas supports burning?” with Oxygen and the supporting mechanism.

What is General Science and which topics are important for competitive exams?

General Science covers basic concepts in Physics, Chemistry, Biology, and Earth Science. It is an important section in competitive exams like SSC CGL, UPSC Prelims, Railway NTPC, and Defence exams. Questions include scientific laws, inventions, human body systems, chemical reactions, and everyday science phenomena. NCERT Science books from Class 6 to 10 are recommended.

What are Newton's Laws of Motion?

Newton's Three Laws of Motion: 1) First Law (Law of Inertia) - An object remains at rest or in uniform motion unless acted upon by an external force. 2) Second Law - Force equals mass times acceleration (F=ma). 3) Third Law - For every action there is an equal and opposite reaction. These laws are fundamental to Physics and frequently asked in SSC CGL, Railway, and NDA exams.

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