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WAEC Chemistry 2015 Theory — Question 37

Question 37 of 49 from the West African Examinations Council (WAEC) Chemistry 2015 Theory paper, with the correct answer and a full explanation.

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4(c)(iii). Give a reason for your answer in 4(c)(ii).

Model answer

Water gas contains carbon monoxide and hydrogen, both of which are combustible, while producer gas contains carbon monoxide and nitrogen, with nitrogen being non-combustible. This means the entirety of water gas will burn, while only a part of producer gas (the CO portion) will contribute to burning.

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