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प्रश्न
Choose the correct alternative
Destructive distillation of coal yields
पर्याय
coal tar
coal gas
coke
all of the above
उत्तर
all of the above
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
......... is the most inferior form of coal.
Fill in the blank
Wood charcoal is a..........conductor of heat and electricity.
Choose the correct alternative
Anthracite is
Write ‘true’ or ‘false’ against the following statement:
Coal gas is used in the preparation of artificial ferilizers.
Descirbe the formation of coal
Tick the most appropriate answer.
Which form of carbon is a good conductor of electricity?
a. graphite
b. diamond
c. coke
d. amorphous carbon
TRUE \ FALSE
Coal can be converted to coke by destructive distillation.
TRUE \ FALSE
Buckyball is a yellow amorphous solid.
Explain the following.
Uses of various allotropes of carbon.
Compare the structure of the crystal of diamond & graphite with special reference to the reason for diamond being the hardest natural substance while graphite one of the softest. Compare the electrical & thermal conductivity of the two crystalline allotropes of carbon.
