# Silicon dioxide is commonly known as___________

Silicon dioxide is commonly known as silica.

### Explanation

Silicon dioxide is also 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.