Name:(a) the process involved in (i) dressing of the ores (ii) refining of the ores(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide, or hydrogen

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Name:
(a) the process involved in (i) dressing of the ores (ii) refining of the ores
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide, or hydrogen

Chemistry | Class 10 | ICSE | Metallurgy | Selina

Name:
(a) the process involved in (i) dressing of the ores (ii) refining of the ores
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide, or hydrogen

Answer:

(a) The processes involved in:

(i) Dressing of ores are:

Hydraulic washing
Magnetic separation
Froth floatation
Chemical method/Leaching

(ii) Refining of ores are:

Distillation
Liquation
Electrorefining

(b) The two metallic oxides that cannot be reduced by carbon, carbon monoxide or hydrogen are oxides of sodium and potassium.

i

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