1.

Which ofthefollowingfactorsisof no significancefor roastingsulphideoresto the oxidesand notsubjectingthesulphideorestocarbonreductiondirectly ?

Answer»

` CO_ 2`is morevolatile THN` CS _2 `
Metalsulphideare thermodynamically morestablethan ` CS_ 2`
` CO_2`isthermodynamicallymorestablethan` CS_ 2 `
Metalsulphidesare less stablethanthecorrespondingoxides

Answer :B


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