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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
______ and ______ are the two major crystalline allotropes of carbon.
Answer the following question
Explain the softness of graphite with reference to its structure.
Write ‘True’ Or ‘False’ Against the Following Statement:
Charcoal is a good adsorbent.
Write ‘true’ or ‘false’ against the following statement:
Wood charcoal is an important constituent of gun powder.
FILL IN THE BLANK
Diamond is the ............ form of carbon.
TRUE \ FALSE
Coal can be converted to coke by destructive distillation.
State the reasons for use of diamond as an item of jewellery.
Name the following:
A crystalline allotrope of carbon built up from a hexagonal unit.
Select the appropeiate option of the following statement:
An allotrope of carbon used as a tip for deep boring drills.
Give reason for the following:
Diamond & graphite are allotropic modifications of carbon.
