Silicon dissolves in excess of HF due to formation of: (a) \( \math...

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Silicon dissolves in excess of HF due to formation of:
(a) \( \mathrm{SiF}_{4} \)
(b) \( \mathrm{SiH}_{4} \)
(c) \( \mathrm{H}_{2} \mathrm{SiF}_{6} \)
(d) \( \mathrm{H}_{2} \mathrm{SiF}_{4} \)
\( \mathrm{P} \)
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