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Concentration of Ore

The process o...

Question

The process of ore dressing is carried out to :

A

remove the silicious materials

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B

add flux to the mineral

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C

convert the ore to oxide

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D

remove the poisonous impurities

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Solution

The correct option is A remove the silicious materials
The process of ore dressing is carried out to remove the silicious materials. It is the process of separating commercially valuable minerals from their ores. It is also called mineral engineering, mineral processing, or mineral dressing.

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Similar questions

Q. The process of ore dressing is carried out to:

Q. Fill in the blanks with the correct choice.
The undesired impurities present in the ores are called ___(i)___. To remove the volatile impurities from the ore, the ___(ii)___ process is carried out. Flux combines with non-fusible impurities to form ___(iii)___.

C a O

acts as a ___(iv)___ flux.

Q. Roasting is carried out to :

1) convert sulphide to oxide and sulphate.
2) remove the water of hydration.
3) melt the ore.
4) remove arsenic and sulphur impurities.

Choose the correct options.

Q. Consider the following statements. Roasting is carried out to:
(i) convert sulphide to oxide and sulphate.
(ii) to remove impurities of

C u S

F e S

present in the ore of tin stone

(S n O_{2})

C u S O_{4}

F e S O_{4}

.
(iii) melt the ore.
(iv) remove arsenic and sulphur impurities.
Of these statements:

Q. Consider the following statements: Roasting is carried out to :
(i) Convert sulphide to metal oxides and

S O_{2}

(ii) Remove water of hydration
(iii) melt the ore
(iv) Remove arsenic and sulphur impurities
of these statements :

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