WAEC Chemistry 2014 Theory — Question 37

Question 37 of 38 from the West African Examinations Council (WAEC) Chemistry 2014 Theory paper, with the correct answer and a full explanation.

5(d)(i). Describe briefly the production of biogas using a biogas generator.

Model answer

Organic waste is first transferred into the biogas generator (digester), where some bacteria are present. Through the process of anaerobic decomposition (fermentation in the absence of oxygen) by these bacteria, biogas is produced.

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