A metal x on heating burns with white dazzling light and forms grey powder Y. Identify x and y, write the relevant equation and name and define the type of reaction.
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The metal is Magnesium (Mg).
It is available in the form of magnesium ribbon. Magnesium ribbon burns in air to produce a dazzling white flame and leaves behind a powder magnesium oxide (MgO). this reaction can be stated as follows:
Mg + O2 ----------> MgO
(magnesium + oxygen -------> magnesium oxide)
when magnesium oxide is dissolved in water, it forms magnesium hydroxide. magnesium hydroxide is basic in nature and turns red litmus blue. This reaction can be stated as follows:
MgO + H2O -----------> Mg(OH)2
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