1.

In the preparation of amorphous silicon, HF acid is used to remove

Answer»

Mg
`SiO_(2)`
`Si `
none of these

SOLUTION :AMORPHOUS silicon is PREPARED by the reduction of silica (rocks). EXTRA pure silicon is obtained by the removal of `SiO_(2)` by HF. `SiO_(2) +4HF to SiF_(4) +2H_(2)O`


Discussion

No Comment Found