1. \(Si + 2{F_2} \to Si{F_4}\)
\(Si + 2C{l_2}\) \(\xrightarrow{{{t^0}}}\) \(SiC{l_4}\)
\(Si + 2B{r_2}\) \(\xrightarrow{{{t^0}}}\) \(SiB{r_4}\)
2. \(Si + {O_2}\) \(\xrightarrow{{{t^0}}}\) \(Si{O_2}\)
3. \(Si + 2Mg\) \(\xrightarrow{{{t^0}}}\) \(M{g_2}Si\)
4. \(Si + 2KOH + {H_2}O \to {K_2}Si{O_3} + 2{H_{2 \uparrow }}\)
5. \(Si{O_2} + 2NaOH\) \(\xrightarrow{{{t^0}}}\) \(N{a_2}Si{O_3} + {H_2}O\)