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प्रश्न
Give reason for the following:
It is dangerous to stand behind a running engine of a vehicle.
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उत्तर
Running engine of a vehicle produces carbon monoxide which is dangerous for us.
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संबंधित प्रश्न
Choose the correct alternative.
Carbon forms innumerable compounds because
Write true or false
Carbon constitues 0.03% of the earth’s crust.
Define the following:
Adsorption
How many carbon atoms are there in Buckminster fullerenes?
Explain the term ‘green house effect’. How can it be both beneficial and harmful for life on earth ?
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
State two characteristic features of carbon which when put together give rise to a large number of carbon compounds.
Higher Order Thinking Skill.
Why do carbon exist mostly in combined state?
What is carbon monoxide? Why is it toxic?
Elemental carbon undergoes ______ reaction at room temperature.
