What is the chemical formula of 'quartz'?
Show answer & explanation
Correct answer: B
Explanation
The correct option is option 2 i.e. SiO2.
| Quartz | Silica, SiO2, is a chemical compound that is composed of one silicon atom and two oxygen atoms. |
| It appears naturally in several crystalline forms, one of which is quartz. | |
| Crushed quartz is used as an abrasive in sandpaper, silica sand is employed in sandblasting, and sandstone is still used whole to make whetstones, millstones, and grindstones. | |
| Silica glass (also called fused quartz) is used in optics to transmit ultraviolet light. |