A metal M burns in oxygen emitting a dazzling white light. When this burning M is placed in a jar of steam it continues to burn giving a smoky white solid S with the evolution of a colourless gas G.
(a) Identify M,S, G.
(b) Write balanced equation for the above reaction of M with steam.
(c) Identify the type of reaction occuring in (b)
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Explanation:When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide. ... After it burns, it forms a white powder of the magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction.
MgO(s) + H2 O(1)
Mg(OH)2
Exothermic reaction
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