NTPC CBT-2 Chemistry Quiz - 31

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Question 1:

Which of the following is used as a food preservative ?

  1. Salt 
  2. Sodium benzoate
  3. Sugar
  4. Vegetable oil

Question 2:

Which of the following is easily soluble in water?

Question 3:

Lime water is a ___________solution .

Question 4:

Soft soaps are the limitation of hot process because of their ____________

Question 5:

Parameter for the true representation of organic pollution is-