The carbon cycle is the biogeochemical cycle through which carbon is exchanged amongst the biosphere, pedosphere, geosphere, hydrosphere, and also environment of the Earth. Carbon is the major component of organic substances in addition to a significant element of many minerals such as limestone. Together with the nitrogen cycle and the water cycle, the carbon cycle consists of a series of occasions that are crucial to earn Earth efficient in maintaining life. It describes the movement of carbon as it is reused and reused throughout the biosphere, in addition to lasting processes of carbon sequestration to as well as release from carbon sinks.
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1. Question1 points
Which of the following is an example of fossil fule ?CorrectIncorrect
2. Question1 points
Most of the fuels areCorrectIncorrect
3. Question1 points
Destructive distillation of coal leads to the formation ofCorrectIncorrect
4. Question1 points
When steam is passed over hot coke, it producesCorrectIncorrect
5. Question1 points
Producer gas is a mixture ofCorrectIncorrect
6. Question1 points
The fractional distillation of coal tar yieldsCorrectIncorrect
7. Question1 points
Which of the following is not obtained on fractional distillation of petroleum ?CorrectIncorrect
8. Question1 points
The property of an atom to form a bond with itself is known asCorrectIncorrect
9. Question1 points
In the hydrocarbon H=C—H, the covalency of carbon isCorrectIncorrect
10. Question1 points
Which of the following are isomers ?CorrectIncorrect