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प्रश्न
Fill in the blank
Coal is a ............. form of carbon.
उत्तर
Coal is a amorphous form of carbon.
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संबंधित प्रश्न
Write true or false
Graphite is the purest form of carbon.
Write true or false
Coloured diamonds are costlier than colourless and transparent diamonds
Define the Following Term:
Catenation
Answer the following question
Why is diamond very hard?
Answer the following question
Explain the softness of graphite with reference to its structure.
Fill in the blank
Wood charcoal is a..........conductor of heat and electricity.
What is water gas used for ?
Explain the following.
Uses of various allotropes of carbon.
Name two crystalline and four amorphous allotropes of carbon.
Complete the statement by filling the blank with the correct word from the option.
The crystal of ________ is opaque to light and is a good conductor of heat.
