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प्रश्न
Name the following:
The purest form of amorphous carbon.
उत्तर
Sugar charcoal
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
The tendency of an element to exist in two or more forms but in the same physical state is called ................
Write true or false
Graphite has layers of hexagonal carbon bondings.
Give two uses of graphite.
Fill in the blank:
......... is the most inferior form of coal.
Tick the most appropriate answer.
Fuel gases like water gas and producer gas are manufactured from
a. bone charcoal
b. wood charcoal
c. coke
d. none of these
FILL IN THE BLANK
.............. is used to make carbon brushes in dynamos.
TRUE \ FALSE
Synthetic diamonds are used for cutting glass and drilling rocks.
State one use of each of the following:
Diamond, Graphite, Coke, Bone charcoal
Select the appropeiate option of the following statement:
An allotrope of carbon used as a tip for deep boring drills.
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.
