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प्रश्न
Write ‘true’ or ‘false’ against the following statement:
Coal gas is used in the preparation of artificial ferilizers.
विकल्प
True
False
उत्तर
False.
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संबंधित प्रश्न
Choose the correct alternative.
Graphite is not found in
Define the Following Term: Allotropy
Write ‘True’ Or ‘False’ Against the Following Statement:
Charcoal is a good adsorbent.
Write ‘true’ or ‘false’ against the following statement:
Activated charcoal is a good conductor of electricity.
Name the following:
The best variety of coal.
Name the following:
An amorphous form of carbon that contains about 98% carbon.
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.
Name two crystalline and four amorphous allotropes of carbon.
‘Wood charcoal – an amorphous aliotrope of carbon reduces heated metallic oxides to metals.’ Give a balanced equation to support the statement.
