MCQ
In laboratory silicon can be prepared by the reaction
- ✓Silica with magnesium
- BBy heating carbon in electric furnace
- CBy heating potassium fluosilicate with potassium
- DNone of these
✓
Answer
Correct option: A.
Silica with magnesium
a
(a) $Si{O_2} + 2Mg \to Si + 2MgO$.
(a) $Si{O_2} + 2Mg \to Si + 2MgO$.
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