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03/08/2021 1:49 pm
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Calorific value and ignition temperature of fuel X are 75 kj/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, fuel Y produces only CO2 while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.
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03/08/2021 1:50 pm
Fuel Y is a better fuel because
(i) it has a moderate ignition temperature of 75°C
(ii) it produces no harmful gases like CO on burning.