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NH(4)CI is used to clean metal surface b...

`NH_(4)CI` is used to clean metal surface because

A

`NH_(4)Cl` is a volatile compound

B

`NH_(4)Cl` forms a souble complex with metal

C

on warming it dissociates into `NH_(3)` and `HCl`

D

it is coloureless

Text Solution

Verified by Experts

The correct Answer is:
3
`NH_(4)Cl overset("Heat")rarrNH_(3)+HCl`
`HCl` cleans the surface of the metal.
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  2. Which of the following gases is evolved when urea is heated with NaOH?

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  11. Which of the following is the only exothermic oxide of chlorine?

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  12. Which of the following is not coloured?

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