1.

The gas liberated when aluminium reacts with conc. H_(2)SO_(4) is

Answer»

`H_(2)S`
`O_(2)`
`SO_(2)`
`H_(2)`

SOLUTION :`2Al+6H_(2)SO_(4)RARR Al_(2)(SO_(4))_(3)+3SO_(2)+6H_(2)O`


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