Question

Silicon dioxide is commonly known as___________.

Answer 1

• The chemical formula of silicon dioxide is ${\mathrm{SiO}}_2$.
• Silicon dioxide is commonly known as silica.
• It has other alternative names such as silicic acid and silicic acid anhydride.
• Silica is non-combustible and is the most abundant mineral found on earth.
• Silicon dioxide is the vital component of beach sand and is commonly known as quartz in its pure crystalline form.
• Quartz is the most common crystalline form of silica encountered in nature.

Therefore, silicon dioxide is commonly known as silica.