10th Class Science Sample Paper Sample Paper - 5 Term - 1

  • question_answer
      State the composition of biogas. Give four uses of biogas.

    Answer:

      Composition of biogas Methane (75%), hydrogen (5%), carbon dioxide (20%), hydrogen sulphide  (traces). (1)                                      Uses of biogas (i) As kitchen fuel (ii) It is used in street lighting (iii) In industry for heating purposes (iv) In gas turbines                                                                                                                                                                           (2)


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