when a metal 'x' is treated with cold water it gives a base 'y' with molecular formula XOH and liberates a ges'z' which eassily catches fire identify X,Y and 2.
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X is sodium because molar mass of NaOH is 40; which can be shown as follows:
Na(23)+O(16)+H(1)=40
So, Y is NaOH
Z is hydrogen gas which easliy catches fire. Reaction between sodium and water can be given as follows:
2Na+2H
2
O→2NaOH+H
2
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Answer:
Sodium Na
And
Hydrogen gas H2
Explanation:
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