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What is the reaction between magnesium and oxygen?
2Mg + O2 -> 2MgO - violent reaction giving off intense white light and MgO as "smoke" - take care if doing this - some expensive car wheels are made of Magnesium alloy!!
Sulfur undergoes many reactions with oxygen, leading to the formation of sulfur oxides; these can have a variety of formulae. Sulfur + oxygen ---> sulfur DIoxide. This is the balanced equation of...