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During sewage treatment, biogases are pr...

During sewage treatment, biogases are produced which include:

A

methane, oxygen, hydrogen sulphide

B

hydrogen sulphide,methane,sulphur dioxide

C

hydrogen sulphide,nitrogen,methane

D

methane,hydrogen sulphide,carbon dioxide

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The correct Answer is:
D
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  3. During sewage treatment, biogases are produced which include:

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  8. Name the mould that produces antibiotic penicillin.

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  9. Who were awarded noble prize in 1945 for penicillin discovery ?

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  12. Which bacteria produce butyric acid ?

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  13. Name the bacteria that produce lactic acid ?

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