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A. Si2O3
B. SiO2
C. Al2O3
D. Sr2O

Submitted by: Naintara Mustafa

The chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with a chemical formula of SiO2 and has been known for its hardness since antiquity. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms.

Correct Answer: SiO2

Last Updated: January 05, 2021