What happens to sulphur on burning it in air?

Wet clothes dry after sometime – where does the water go? What happens to magnesium on burning it in air?

What happens to air on heating it?

What happens to air on cooling it?

What happens to air upon cooling ?

What happens to air upon heating?

What happens when hydrogen burns in air?

20 gms of sulphur on burning in air produced 11.2 lits of SO_(2) at STP. The percentage of unreacted sulphur