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A student is asked to draw the college b...

A student is asked to draw the college building on a piece of glass. He would use :

A

Hydrochloric acid

B

Hydrofluoric acid

C

Hydrobromic acid

D

Hydroiodic acid.

Text Solution

Verified by Experts

The correct Answer is:
B
HF dissolves glass
`SiO_(2) + 4HF rarr SiF_(4) + 2H_(2)O`
`SiF_(4) + 2HF rarr H_(2)SiF_(6)`
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