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प्रश्न
How is wood charcoal made locally? What other substances are formed in the process.
उत्तर
(c) Wood charcoal is prepared when wood is heated in a limited supply of air. Locally wood charcoal is prepared by piling logs of wood one above the other with a gap in the centre of the pile. The pile is covered with wet clay to prevent the entry of air. A few holes are left at the bottom of the pile. The wood is set on fire. After some time when fire dies out, wood charcoal is left behind. The other substances are -wood tar, pyroligneous acid and wood gas.
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संबंधित प्रश्न
Write true or false
Graphite is the purest form of carbon.
Write true or false
Coloured diamonds are costlier than colourless and transparent diamonds
Name the following:
The third crystalline form of carbon.
TRUE \ FALSE
Pure diamond can occur in several colours.
State one use of each of the following:
Diamond, Graphite, Coke, Bone charcoal
How is wood charcoal a better fuel than wood?
Explain the following.
Uses of various allotropes of carbon.
‘Wood charcoal – an amorphous aliotrope of carbon reduces heated metallic oxides to metals.’ Give a balanced equation to support the statement.
Name the following:
An allotrope of carbon used for the manufacture of coke.
Write the salient features of Graphene.
