Question

when magnesium burned in air, a powdery ash is formed x on dissolving in water forms y. what are x and y​

Answer 1

Answer:

X is the magnesium oxide (MgO) and Y is magnesium hydroxide Mg(OH)2

Answer 2

Answer:

mg + O2 ------- mgo

mg2o + H2O ------- mg(oh)2

Explanation:

x is mgo is. magnesium oxide

y is mg(oh)2 is. magnesium hydroxide

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