Which one of the following statements is fals | vedclass

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(D) Roasting is the process of heating an ore in a regular supply of air in a furnace at a temperature below the melting point of the metal. $ZnS$ (zi

Vedclass · Accepted Answer

The concentrated zinc blende is subjected to calcination during its extraction by pyrometallurgy

Vedclass · Answer

(D) Roasting is the process of heating an ore in a regular supply of air in a furnace at a temperature below the melting point of the metal. $ZnS$ (zinc blende) is a sulfide ore,and sulfide ores are always subjected to roasting,not calcination,to convert them into their respective oxides. Therefore,the statement that zinc blende is subjected to calcination is false.

Which one of the following statements is false?

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