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प्रश्न
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उत्तर
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संबंधित प्रश्न
Choose the correct alternative
The process by which decayed plants slowly convert into coal is called.
Write the balanced chemical equations for the preparation of carbon dioxide by:
the action of acetic acid on sodium bicarbonate.
What happens when a baking mixture containing baking powder is heated?
Tick the most appropriate answer.
Carbon has a great affinity for
a. sulphur
b. nitrogen
c. oxygen
d. none of these
State two characteristic features of carbon which when put together give rise to a large number of carbon compounds.
State how carbon occurs in the free state and in the combined state.
Select the appropeiate option of the following statement:
An allotrope of carbon obtained by burning kerosene oil in a limited supply of air.
Give reason for the following:
Both CO2 & SO2 turn lime water milky. Moist potassium permanganate paper, helps in distinguishing the two gases.
Elemental carbon undergoes ______ reaction at room temperature.
Answer the following by rearranging the jumbled letters :
In this molecule, carbon is attached to four hydrõgen atoms.
emathen.
