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SiO(2) or ordinary sand reacts with...

`SiO_(2)` or ordinary sand reacts with

A

Conc.HCl

B

HF

C

NaOH (hot)

D

`CO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
`SiO_(2)` reacts with HF and NaOH
`SiO_(2) +4HF to SiF_(4)+2H_(2)O`
`SiO_(2)+2NaOH to Na_(2)SiO_(3)+H_(2)O`
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