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प्रश्न
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.
विकल्प
diamond
graphite
उत्तर
The crystal of graphite is opaque to light and is a good conductor of heat.
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संबंधित प्रश्न
Choose the correct alternative.
A crystalline form of carbon is
Name the following:
A greyish black non- metal that is a good conductor of electricity.
Write three differences between graphite and diamond.
Write ‘true’ or ‘false’ against the following statement:
Activated charcoal is a good conductor of electricity.
Name the following:
An amorphous form of carbon that contains about 98% carbon.
Why is wood charcoal used in water filters and gas masks?
FILL IN THE BLANK
Diamond is the ............ form of carbon.
TRUE \ FALSE
Synthetic diamonds are used for cutting glass and drilling rocks.
Explain the difference.
Crystalline and non-crystalline forms of carbon.
With reference to the structure of the two crystalline allotropes of carbon, state why diamond is inert or unreactive while graphite is comparably more reactive.
