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प्रश्न
Choose the correct alternative.
In combined state, carbon occurs as
विकल्प
coal
diamond
graphite
petroleum
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उत्तर
petroleum
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संबंधित प्रश्न
Define the following:
Carbonization
Name the products formed when:
wood is burnt in the absence of air.
Give two uses for the following:
sugar charcoal
Name a gas which, though a compound of carbon, is not studied under organic chemistry.
In which compound forms does carbon occur?
State in brief the transformation of vegetable matter to different types of coal varying in carbon content.
State how you would convert carbon dioxide to a metallic carbonate using a basic oxide e.g. sodium oxide. [Give a balanced equation]
Explain the carbon cycle or biogeochemical cycle.
The ability of carbon to form ______ is the main reason for the formation of various classes of carbon compounds.
Carbon monoxide displaces ______ from hemoglobin.
