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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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The commonly used coolant in refrigerators is

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Answer & Explanation Answer: C) Freon

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Phosphorus is kept in water because

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The depletion in Ozone layer is caused by ___________ .

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Answer & Explanation Answer: C) Chlorofluorocarbons

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Name the gas used in preparation of bleaching powder

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Answer & Explanation Answer: D) Chlorine

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Magnesium is a constituent metal of __________

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Answer & Explanation Answer: A) Chlorophyll molecule

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0 1890
Q:

Researchers at the University of Illinois have discovered new form of matter called Excitonium which was coined by ______ in the 1960’

A) Bertrand Halperin B) Eugene Wigner
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Answer & Explanation Answer: A) Bertrand Halperin

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Which among the following is an example of mixture?

A) Milk B) Gasoline
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Answer & Explanation Answer: D) All options are correct

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