PREVIOUSLY ASKED IN:
PSC Miscellaneous 2012
Answer
Diamond
Explanation
Diamond is the hardest natural substance. It is an allotrope of carbon that is formed under extremely high pressure and temperature.
Key Points
- > Diamond is the hardest substance
- > Allotrope of carbon
- > Hardness of 10 on Mohs scale
Additional Information
- It is used in both jewelry and industrial applications.
- Diamond is a good conductor of heat.
| Subject | Detail |
|---|---|
| Substance | Diamond |
| Element | Carbon |
