1.

A metal 'X' which is used in thermite process, when heated with oxygen gives an oxide 'Y' which is amphoteric in nature. Identify X and Y. Write down balanced chemical equations of the reactions of oxide Y with HCl and NaOH.

Answer»

SOLUTION :`X - Al , Y - Al_(2)O_(3)`
`Al_(2)O_(3) + 6HCl rarr 2AlCl_(3) + 3H_(2)O`
`Al_(2)O_(3) + 2NAOH rarr 2NaAlO_(2) + H_(2)O`


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