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प्रश्न
Define the Following Term :
Carat
उत्तर
The weight of diamond is expressed in carats [ 1 carat = 0.2 g]
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संबंधित प्रश्न
Write true or false
Coloured diamonds are costlier than colourless and transparent diamonds
Answer the following question
Why is diamond very hard?
Give two uses of graphite.
How is wood charcoal made locally? What other substances are formed in the process.
Tick the most appropriate answer.
Which of the following is an amorphous form of carbon?
a. graphite
b. fullerenes
b. diamond
d. coal
TRUE \ FALSE
Synthetic diamonds are used for cutting glass and drilling rocks.
TRUE \ FALSE
Graphite is a poor conductor of electricity.
Name the following:
The hardest naturally occurring substance.
Complete the statement by filling the blank with the correct word from the option.
A graphite-clay mixture baked at high temperature is used in making ______.
About 18% of the weight of the human body is carbonaAll the allotropic forms of carbon are solids.
