Chemistry Questions

Q:

Which of the following can undergo sublimation?

A) Ammonium chlorate B) Ammonium sulphate
C) Ammonium chloride D) Ammonium sulphide
 
Answer & Explanation Answer: C) Ammonium chloride

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Q:

What is dehydration?

A) Removal of acid from a molecule B) Removal of base from a molecule
C) Removal of water from a molecule D) Removal of alkali from a molecule
 
Answer & Explanation Answer: C) Removal of water from a molecule

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Q:

The nitrogenous waste of Human Beings is

A) Ammonia B) Urea
C) Ammonium Nitrate D) Uric Acid
 
Answer & Explanation Answer: B) Urea

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Q:

Covalent Bond is also called _________.

A) Molecular Bond B) Proton Bond
C) Nucleus Bond D) Electron Bond
 
Answer & Explanation Answer: A) Molecular Bond

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Q:

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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Q:

What is dry ice?

A) Solid Carbon dioxide B) Solid Nitrogen dioxide
C) Solid Sulphur dioxide D) Solid Water
 
Answer & Explanation Answer: A) Solid Carbon dioxide

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Q:

............ element is represented by the given symbol.

A) Hydrogen B) Mercury
C) Carbon D) Gold
 
Answer & Explanation Answer: B) Mercury

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Q:

Blotting paper absorbs ink due to

A) Coarse nature of paper B) Osmosis
C) Capillary action D) Siphoning
 
Answer & Explanation Answer: C) Capillary action

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