MCQ
In laboratory silicon can be prepared by the reaction
- ABy heating carbon in electric furnace
- BBy heating potassium with potassium dichromate
- ✓Silica with magnesium
- DNone of these
✓
Answer
Correct option: C.
Silica with magnesium
c
In laboratory, Silicon is prepared by the reaction of Silica with Magnesium.
In laboratory, Silicon is prepared by the reaction of Silica with Magnesium.
Reaction: $SiO _2+2 Mg \rightarrow Si +2 MgO$
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| List-I (Elements) | List-II(Properties in their respective groups) | ||
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Statement (II) : The magnitude of electron gain enthalpy of halogen decreases in the order.
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In the light of the above statements, choose the most appropriate answer from the options given below :