Roasting of copper pyrites is done...

Roasting of copper pyrites is done

to remove moisture

to oxidise free sulphur

to decompose pyrite into `Cu_(2)S and Fes`

to remove volatile organic impurities

Text Solution

Verified by Experts

The correct Answer is:

A, B, C, D

Roasting of copper pyrites `(CuFeS_(2))` is done to remove moisture and to oxidize free sulphur, to decompose `CuFeS_(2)` into Cus & Fes (matte) and to remove volatile organic impurities

Topper's Solved these Questions

METALLURGY
AAKASH SERIES|Exercise LEVEL-II (LECTRURE SHEET) (EXERCISE-II) (PASSAGE-I)|5 Videos
METALLURGY
AAKASH SERIES|Exercise LEVEL-II (LECTRURE SHEET) (EXERCISE-II) (PASSAGE-II)|4 Videos
METALLURGY
AAKASH SERIES|Exercise EXERCISE - 7.2|23 Videos
IONIC EQUILLIBRIUM
AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET ( ADVANCED))|11 Videos
NITROGEN CONTAINING COMPOUNDS
AAKASH SERIES|Exercise Conversions|18 Videos

Similar Questions

Explore conceptually related problems

The flux used in the smelting of copper pyrites is

The fux used in the secting of copper pyrites is

The composition of copper pyrites is

(A): In the smelting of copper pyrites in blast furace, Cu_(2)S formed but not FeS. (R): Ca has greater affinity to 'S than to where as fe has greater affinity to than to's

The pollutant that is obtained by the roasting of mineral pyrites is

During the smelting of roasted copper pyrites in blast furnace, why Cu_(2)S formed but not FeS ?

Calculate the volume of air measured at NTP used for the roasting of 3kg of iron pyrites FeS_(2) .Assume that air contains 21% O_(2) by volume.

Copper is the most moble of first row transition meals and occurs in small deposits in several countries ares of copper include chalcanthite (CuSO_(4)5H_(2)O) , afecamie (CuCHOH)_(3)) , cuprite (Cu_(2)O) Copper glance (Cu_(2)S) and rolachite (Cu_(2)(OH)_(2)CO_(3)) . However, 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalopyrite in polves partial roasting, removal of Iron self-reduction. Partial Roasting of chalcopyrite produces

AAKASH SERIES-METALLURGY-LEVEL-II (LECTRURE SHEET) (EXERCISE-I)

Roosting is carried out to
Text Solution
|
of the following reduction process, correct processes are:
Text Solution
|
Roasting of copper pyrites is done
Text Solution
|
Highly electropositive metals can not he extracted by carbon reduction...
Text Solution
|
Which one of the following metals can be extracted by aluminothermit p...
Text Solution
|
For which of the following metal the carbon reduction cannot be used ?
Text Solution
|
The advantages of using carbon to reduce a number of oxides and other ...
Text Solution
|
The disadvantages of carbon reduction method are:
Text Solution
|
The chemical treatment of the ore for concentration is done in the cas...
Text Solution
|
What are the froth stabilizers in forth floatation process
Text Solution
|
Froth flotation
Text Solution
|
The function of adding cryolite in the clectrolytic reduction of alumi...
Text Solution
|
Electrolysis method is used for the extraction of
Text Solution
|
Which of the following equation reprsents smelting process
Text Solution
|
In the extraction of which of the following metals is used for amalgam...
Text Solution
|
The flux that can be used for the removal of hasic impurities like Cou...
Text Solution
|
Chemical reduction is used in the extraction of
Text Solution
|
Bessemerisation is used in the metallurgy of
Text Solution
|
Electro-metallurgical process (electrolysis of fused electrolyte) is e...
Text Solution
|
Electrolytic reduction is used in the extraction of
Text Solution
|