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Distinguish between the following : (a...

Distinguish between the following :
(a) Ores and minerals (b) Flux and slag (c ) Calcination and roasting.

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(a) Ores and minerals : N/A
(b) Flux and slag : Flux is a substance (Acidic or basic oxide ) which combines with the earthy impurities (gangue) associated with the ore to form a fusibel mass known as slag. ` "Flux" +" Gangue" to " Slag "`
(c ) Smelting and roasting. Smelting is the reduction of the oxide ore of a metal with carbon (coke) in a Blast furnace. Roasting is the heating of the ore below its melting point with excess of oxygen.
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