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प्रश्न
Write true or false
Carbon constitues 0.03% of the earth’s crust.
पर्याय
True
False
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उत्तर
True
Carbon constitues 0.03% of the earth’s crust.
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संबंधित प्रश्न
Tick the most appropriate answer.
Each molecule of Buckminster fulierene contains 60 atoms of carbon arranged as balls consisting of 12 pentagons and
a. 20 hexagons
b. 30 hexagons
c. 40 hexagons
d. 50 hexagons
Tick the most appropriate answer.
Carbon has a great affinity for
a. sulphur
b. nitrogen
c. oxygen
d. none of these
FILL IN THE BLANK
.................... is the main gaseous compound of carbon.
TRUE \ FALSE
Organic compounds are soluble in water.
Write the name and the chemical formula of the simplest alkene.
Select the appropeiate option of the following statement:
An allotrope of carbon obtained by burning kerosene oil in a limited supply of air.
Give a balanced equation for the following conversion: [In one or two steps]
Coke to water gas.
Give a reason for the following:
Carbon monoxide and not carbon dioxide, is a highly poisonous gas.
The carbon cycle is the ______ cycle.
Answer the following by rearranging the jumbled letters :
The reaction of carbon with oxygen gives osdiex
