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प्रश्न
Choose the correct alternative
Lamp black is
विकल्प
an amorphous form of carbon
a crystalline form of carbon
a pure form of carbon
a cluster of carbon atoms
उत्तर
an amorphous form of carbon
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संबंधित प्रश्न
Choose the correct alternative
The process by which decayed plants slowly convert into coal is called.
Name the products formed when:
wood is burnt in the absence of air.
What happens when a baking mixture containing baking powder is heated?
Explain the term ‘green house effect’. How can it be both beneficial and harmful for life on earth ?
What are hydrocarbons ? Name the two different forms of hydrocarbons.
How is gas carbon produced?
State two characteristic features of carbon which when put together give rise to a large number of carbon compounds.
Answer the following question.
Why are methane compounds have poor conductors of electricity?
Give reason for the following:
It is dangerous to stand behind a running engine of a vehicle.
Carbon monoxide enters the human body through ______.
