Carbon: An Important Element — Science STD 9 — Question
Maharashtra BoardEnglish MediumSTD 9ScienceCarbon: An Important Element2 Marks
Question
Write two physical properties each. : Diamond
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Answer
Properties of diamond are:
- Brilliant and pure diamond is the hardest natural substance.
- The density of diamond is $3.5 g / cm ^3$.
- The melting point of diamond is $3500^{\circ} C$.
- When a diamond is heated at $800^{\circ} C$ in the presence of oxygen, $CO _2$ is given away. In this process no other product besides $CO _2$ is formed.
- Diamond does not dissolve in any solvent.
- Acids/bases have no effect on diamond.
- Diamond is a bad conductor of electricity as it does not have free electrons.
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