MCQ
Silicon is an important constituent of
- ✓Rocks
- BAmalgams
- CChlorophyll
- DHaemoglobin
✓
Answer
Correct option: A.
Rocks
a
Silicon is an important constituent of rock in form of silica $SiO _2$.
Silicon is an important constituent of rock in form of silica $SiO _2$.
Amalgams contains $Hg$.
Haemoglobin contains iron.
Chlorophyll contains $Mg$.
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