Sawaal
2
Q:

Methane contributes towards global warming so it is called a _________________ gas.

 

A) poisonous B) carcinogenic
C) infectious D) greenhouse

Answer:   D) greenhouse



Explanation:
Subject: Chemistry
Exam Prep: Bank Exams
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Chemical name of vinegar is

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Inert gases are

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Answer & Explanation Answer: C) Chemically unreactive

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In arc welding, Argon is used because of its

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Nitric acid does not react with

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Answer & Explanation Answer: A) Gold

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All isotopes of the same element have ____________

A) different atomic numbers and different atomic mass B) different atomic numbers and the same atomic mass
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Answer & Explanation Answer: C) the same atomic number but different atomic masses

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Which one of the following forms of phosphorus is most reactive?

A) Black phosphorus B) White phosphorus
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Answer & Explanation Answer: B) White phosphorus

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Calcium salts used as fertilizer is:

A) Calcium Carbide B) Calcium Carbonate
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Answer & Explanation Answer: D) Calcium Sulphate

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