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प्रश्न
Fill in the blank
.............is formed when charcoal is burnt in a limited supply of air.
उत्तर
Carbon monoxide is formed when charcoal is burnt in a limited supply of air.
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संबंधित प्रश्न
Name the following:
A greyish black non- metal that is a good conductor of electricity.
Answer the following question
What impurity is present in black diamond?
Choose the correct alternative
Destructive distillation of coal yields
Write ‘true’ or ‘false’ against the following statement:
Activated charcoal is a good conductor of electricity.
Name the following:
The best variety of coal.
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 crystalline forms of carbon.
Name the following:
The hardest naturally occurring substance.
Define the term ‘allotropy’. Give a reason why carbon exhibits allotropy.
Name two crystalline and four amorphous allotropes of carbon.
