NTPC CBT-2 Chemistry Quiz - 46

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Question 1:

“Petroleum” can be categorized under which one of the following terms?

Question 2:

Which of the following is responsible for pumping out tears fluid in the eye ?

Question 3:

Which of the following have higher vapour pressure?

Question 4:

Which one of these is false about bleaching powder?

Question 5:

Zero groups were introduced by-