1.

Two ores X and Y were taken. On heating these ores it was observed that ore Y gives SO_(2)gas.

Answer»

SOLUTION :Ore Y GIVES the metal by roasting
`2ZnS + 3O_(2) overset("Heat") rarr 2ZnO + 2SO_(2)`
`ZnO + C overset("He")rarr Zn + CO`
The second step of REDUCTION with carbon is common with both ores


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