1.

NaH produce H_(2) gas when

Answer»

It REACTS with water
It reacts with heavy water
It is electrolysed in FUSED state
It is HEATED for decomposition

Solution :`NaH+H_(2)OrarrNaOH+H_(2)`
`NaHoverset("ELECTROLYSIS" )rarrNa+1/2H_(2)`


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