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प्रश्न
Name the following:
The third crystalline form of carbon.
उत्तर
Fullerenes.
APPEARS IN
संबंधित प्रश्न
Name the following:
A greyish black non- metal that is a good conductor of electricity.
Answer the following question
Why is graphite a good conductor of electricity but not diamond?
Answer the following question
What are fullerenes? Name the most common fullerenes.
Write three differences between graphite and diamond.
Fill in the blank:
......... is the most inferior form of coal.
Give balanced equations for the following chemical reactions:
(a) wood charcoal and cone, nitric acid
(b) coke and steam
(c) wood charcoal and lead monoxide.
Explain the following.
Uses of various allotropes of carbon.
Define the term ‘allotropy’. Give a reason why carbon exhibits allotropy.
‘Wood charcoal – an amorphous aliotrope of carbon reduces heated metallic oxides to metals.’ Give a balanced equation to support the statement.
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.
