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प्रश्न
Choose the correct alternative
Destructive distillation of coal yields
विकल्प
coal tar
coal gas
coke
all of the above
MCQ
उत्तर
all of the above
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संबंधित प्रश्न
Choose the correct alternative.
A crystalline form of carbon is
Choose the correct alternative.
Graphite is not found in
Define the Following Term: Allotropy
Define the Following Term :
Carat
Answer the following question
Explain the softness of graphite with reference to its structure.
Fill in the blank:
......... is the most inferior form of coal.
Name the products formed when:
diamond is burnt in air at 900°C.
TRUE \ FALSE
Pure diamond can occur in several colours.
Name the following:
The hardest naturally occurring substance.
Define the term ‘allotropy’. Give a reason why carbon exhibits allotropy.
