A.Carbon
B.Hydrogen
C.Nitrogen
D.Water
Related Mcqs:
- Biogas is composed of __________?
- The most abundant gas emitted from volcanoes is __________?
- The ultimate analysis of coal gives
- The proximate analysis of coal gives
- According to most accepted theories, the atmosphere of earth before origin of life consisted of a mixture of:
- The earth’s first atmosphere was composed primarily of ______________.
- Which are the four most abundant elements in living cells ??
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
- Stanley Miller in his classical experiment on formation of amino acids passed an electric discharge in the mixture of:
- A 200 MW generator should be cooled by
