A) \[Si{{O}_{2}},\text{ }Na\]
B) Fused \[NaOH,\] Si
C) \[Mg,{{B}_{2}}{{O}_{3}}\]
D) \[Mg,C{{O}_{2}}\]
Correct Answer: B
Solution :
Silicon reacts with NaOH to form silicate and hydrogen gas. \[Si+2NaOH+{{H}_{2}}O\xrightarrow{{}}N{{a}_{2}}Si{{O}_{3}}+2{{H}_{2}}\uparrow \]
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