A.sulphur compounds
B.oxygen compounds
C.nitrogen compounds
D.organometallic compounds
Related Mcqs:
- Ash forming consitituents present in crude petroleum are
- Mercaptans
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- Which one of the following pairs is a sedimentary type of biogeochemical cycle?
- In sweetening MEROX process for kersine the mercaptans are converted into
- In the atmospheric distillation of crude petroleum
- Acid deposition causes __________?
- Which gas is likely to be reduced in the atmosphere by deforestation?
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
- The oxygen for fuel combustion comes from the air which consists of about