MCQ
Silicon is an important constituent of:
  • A
    Rocks.
  • Amalgams.
  • C
    Chlorophyll.
  • D
    Haemoglobin.

Answer

Correct option: B.
Amalgams.
Silicon is an important constituent of rock in form of silica $\ce{SiO_2}$​.
Amalgams contains $Hg$.
Haemoglobin contains iron.
Chlorophyll contains $Mg$.

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