RRB GROUP D Chemistry Quiz - 32

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Question 1:

Which of the following cuts ultraviolet rays?

Question 2:

Bleaching liquors are inorganic pollutants produced mainly by which industry ?

Question 3:

Which one of the following does not represent the salt, Calcium carbonate ?

Question 4:

Which of the following is used to form TNT ?

Question 5:

Which of the following is purified by steam distillation?

  1. Turpentine oil
  2. Aniline
  3. Nitrobenzene