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प्रश्न
Give two uses of diamond.
उत्तर
Uses of Diamond:
- Diamond is used in jewellery as a gem
- It is used for cutting and drilling rocks, glass,
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संबंधित प्रश्न
Write true or false
Graphite is the purest form of carbon.
Define the Following Term:
Crystal
Write ‘true’ or ‘false’ against the following statement:
Coal gas is used in the preparation of artificial ferilizers.
Name the following:
An amorphous form of carbon that contains about 98% carbon.
What happens when a soda water bottle is opened ?
Tick the most appropriate answer.
Which of the following is an amorphous form of carbon?
a. graphite
b. fullerenes
b. diamond
d. coal
Name the following:
The hardest naturally occurring substance.
Define the term ‘allotropy’. Give a reason why carbon exhibits allotropy.
Select the appropeiate option of the following statement:
An allotrope of carbon used as a tip for deep boring drills.
The amorphous allotropic carbon is used for making electrodes in dry cell ______.
