Question

In many countries, sulfur is removed from coal before the coal is burnt. Explain how this reduces air pollution

Answer 1

Answer:

Suplhur produces poisonous gas when it burns as SO2.

Explanation:

It doesnt removed it but make it less harmful but CO2 and Co can produced.So in many countries sulphut is removed from coal before the coal burnt

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Answer 2

Answer:

The sulfur in coal combines with oxygen to form sulfur dioxide, which can be a major source of air pollution if emitted in large enough quantities. Today, many of the effects of coal burning have been reduced significantly or eliminated. ... The sulfur dioxide reacts chemically, forming calcium sulfate or calcium sulfite.