Chemistry Questions

Q:

Which of the following scientists gave the law that governs the force of attraction/repulsion between two charged particles?

A) Charles Dufay B) Michael Faraday
C) Archimedes D) Charles Coulomb
 
Answer & Explanation Answer: D) Charles Coulomb

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Q:

Select the INCORRECT set of Molecular Formula - IUPAC Name - Common Name from the following options.

A) C4H9OH B) C2H3OH - Methanol - Methyl Alcohol
C) C2H5OH - Ethanol - Ethyl Alcohol D) C3H7OH - Propanal - Propyl Alcohol
 
Answer & Explanation Answer: B) C2H3OH - Methanol - Methyl Alcohol

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Q:

Which of the following metals reacts vigorously with cold water?

A) Potassium B) Aluminium
C) Zinc D) Iron
 
Answer & Explanation Answer: A) Potassium

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Q:

Which of the following scientists had done some calculations for the fifth state of matter?

A) Satyendra Nath Bose B) CV Raman
C) Vikram Sarabhai D) Homi Bhabha
 
Answer & Explanation Answer: A) Satyendra Nath Bose

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Q:

Which of the following is used for disinfecting drinking water?

A) Baking powder B) Bleaching powder
C) Washing soda D) Baking soda
 
Answer & Explanation Answer: B) Bleaching powder

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Q:

___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.

 

A) Heavy water B) Graphite
C) Water D) Calcium
 
Answer & Explanation Answer: D) Calcium

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Q:

Metal oxides which react with acids as well as bases are called

A) Amphoteric oxides B) Neutral oxides
C) Basic oxides D) Acidic oxides
 
Answer & Explanation Answer: A) Amphoteric oxides

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Q:

What is C12H22O11 also known as

A) Sand B) Sugar
C) Salt D) Clay
 
Answer & Explanation Answer: B) Sugar

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