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2
Q:

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

 

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

Answer:   D) greenhouse



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Subject: Chemistry
Exam Prep: Bank Exams
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A) Mild oxidising agents B) Strong oxidising agents
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Answer & Explanation Answer: C) Strong reducing agents

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Which of the following green house gases has the greatest heat-trapping ability?

A) Chlorofluoro carbon B) Methane
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Answer & Explanation Answer: A) Chlorofluoro carbon

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Glycol is used to manufacture which of the following ?

A) Nylon B) Artificial silk
C) Terylene D) Rubber
 
Answer & Explanation Answer: C) Terylene

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Sour taste of lemon is due to the presence of which of the following ?

A) Citric acid B) Acetic acid
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Answer & Explanation Answer: A) Citric acid

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Chemical properties of isotopes .............

A) must be same B) must be different
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Answer & Explanation Answer: A) must be same

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Q:

Atomic number of an atom gives the number of which of the following ?

A) electrons B) protons
C) neutrons D) neutrons and protons
 
Answer & Explanation Answer: B) protons

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Limestone is a raw material used by which industry?

A) Aluminium B) Fertilizers
C) Cement D) Petrochemicals
 
Answer & Explanation Answer: C) Cement

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Fire extinguishers emit which gas?

A) Carbon monoxide B) Chlorine
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Answer & Explanation Answer: C) Carbon dioxide

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