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Silicon dioxide is insoluble in water ad...

Silicon dioxide is insoluble in water ad in all acids except_____acid.

A

hydrochloric

B

hydrofluoric

C

hydrobromic

D

hydroiodic

Text Solution

Verified by Experts

The correct Answer is:
B
`SiO_(2) + 6HF rarr H_(2)SiF_(6) + 2H_(2)O`
This reaction explains why hydrofluoric acid is used to each glass.
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