NTPC CBT-2 Chemistry Quiz - 41

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Question 1:

Which one of the chemicals is known as ‘wood spirit’?

Question 2:

The process by which a substance absorbs moisture upon exposure to the atmosphere is called:

Question 3:

Which one of the polymers is not biodegradable?

Question 4:

Soap remove grease by-

Question 5:

Which of the following is used for building purpose and in the production of carbon dioxide in laboratory?