Dilydrogen is used the I. manufact...

Dilydrogen is used the
I. manufacturing of nitric acid and nitrogenous fertillisers.
II. Manufacturing of vanaspati fat.
III. Manufacturing of methanol.
IV. Perparartion of hydrogen choride.
Choose the correct option .

A

I, II and III

B

Only III

C

II and III

D

All of these

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The correct Answer is:

D

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