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प्रश्न
‘Wood charcoal – an amorphous aliotrope of carbon reduces heated metallic oxides to metals.’ Give a balanced equation to support the statement.
उत्तर
Wood charcoal reduces ZnO, Fe2O3 to metal.
\[\ce{ZnO + C ->\underset{\text{Zinc metal}}{Zn} + CO}\]
\[\ce{Fe2O3 + 3C ->\underset{\text{Metal iron}}{2Fe} + 3CO}\]
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संबंधित प्रश्न
Write ‘true’ or ‘false’ against the following statement:
Coke is obtained by destructive distillation of sugar.
Name four types of coal with percentage of carbon present in each,with uses.
Name the products formed when:
diamond is burnt in air at 900°C.
Tick the most appropriate answer.
Diamond and graphite are
a. metals.
b. organic compounds,
c. alkenes.
d. allotropes.
Tick the most appropriate answer.
Which of the following is an amorphous form of carbon?
a. graphite
b. fullerenes
b. diamond
d. 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
Synthetic diamonds are used for cutting glass and drilling rocks.
TRUE \ FALSE
Buckyball is a yellow amorphous solid.
Name the following:
A crystalline allotrope of carbon built up from a hexagonal unit.
Give reason for the following:
Diamond & graphite are allotropic modifications of carbon.
