Chemistry Questions

Q:

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

A) B2H6 B) Ne
C) C6H14 D) O3
 
Answer & Explanation Answer: D) O3

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Q:

______________ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.

A) B) Glycogen
C) Pectin D) Chitin
 
Answer & Explanation Answer: B) Glycogen

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Q:

What is used to prevent freezing of fuel in space crafts?

A) Benzene B) Glycol
C) Acetylene D) Ester
 
Answer & Explanation Answer: B) Glycol

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Q:

The Chemical formula of Methanol is _____.

A) C2H5OH B) CH3(OH)2
C) CH3OH D) CH4OH
 
Answer & Explanation Answer: C) CH3OH

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Q:

What is the chemical formula for Sodium Chloride (Salt)?

A) NaCl2 B) NaCl
C) Na2Cl D) Na2C
 
Answer & Explanation Answer: B) NaCl

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Q:

Bee sting contains________________

A) An acidic liquid B) a salt solution
C) an alkaline liquid D) a corrosive liquid
 
Answer & Explanation Answer: A) An acidic liquid

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Q:

Which of the following is NOT a primary green house gas in the earth's atmosphere?

A) Methane B) Ozone
C) Nitrous oxide D) Hydrogen
 
Answer & Explanation Answer: D) Hydrogen

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Q:

The chemical formula of Ammonia is _____ .

A) NH B) NH1
C) NH2 D) NH3
 
Answer & Explanation Answer: D) NH3

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