Chemistry Chemical Properties of Sulphur It combines with metals at high temperature and in absence of air to form sulphides. Fe(s) + S(s) → FeS(s) It burns in oxygen to form sulphur (iv) oxide. S(s) + O2(g) → SO2(g) ← Previous Physical Properties of Sulphur Next → Uses of Sulphur Leave a comment Cancel replyYou must be logged in to post a comment.