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Class 12BiologyMicrobes in Human WelfareMicrobes in Production of Biogas
Medium

Which is the main gas produced in biogas?

  • A
    $H_2$
  • B
    $CH_4$
  • C
    $CO_2$
  • D
    $H_2S$
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Class 12 Questions

Class 12

Biology Questions

Chapter

Microbes in Human Welfare

Subtopic

Microbes in Production of Biogas

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