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Recent questions tagged processes of isolation of metals
+3
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Name the impurities ******* as anode mud during electrolytic refining of copper.
asked
Apr 3, 2019
in
JEE
by
kratos
processes of isolation of elements
processes of isolation of metals
jee
general principles
general principle
jee mains
class-12
metallurgy
+2
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1
answer
Statement : 1 Magnesium is mainly extracted by electrolysis of molten electrolyte and not by chemical methods.
asked
Mar 29, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
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1
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Why we add cryolite or fluorspar in alumina during Hall’* Heroults process?
asked
Mar 29, 2019
in
Chemistry
by
kratos
cbse
surface chemistry
general principles
processes of isolation of metals
jee
class-10
icse
jee mains
class-12
metallurgy
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vote
1
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Consider the ΔG°f and ΔH°f (kJ/mol) for the following oxides. Which oxide can be most easily decomposed to
asked
Mar 28, 2019
in
Chemistry
by
kratos
jee main 2020
thermochemistry
class-11
upsee
processes of isolation of metals
jee
thermodynamics
jee mains
general principles
+3
votes
1
answer
Zn is extracted from ZnS. The reducing agent used is _____ & method of refining is ______
asked
Mar 24, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
+2
votes
1
answer
Which carbonate does not exists (a) Na2CO3 (b) CaCO3 (c) FeCO3 (d) CuCO3
asked
Mar 16, 2019
in
JEE
by
kratos
class-11
jee
general principles
processes of isolation of metals
class-10
jee mains
atoms and molecule
class-12
+3
votes
1
answer
Differentiate the Flux and Slag
asked
Mar 14, 2019
in
JEE
by
kratos
principles and processes of isolation of elements
processes of isolation of metals
jee
general principles
class-10
icse
jee mains
class-12
metallurgy
+3
votes
1
answer
Set 1 Set 2 (1) Chromatography (p) Chemical process
asked
Mar 14, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
+1
vote
1
answer
Which of the following is a carbonate ore? (a) Pyrolusite (b) Malachite (c) Diaspore (d) Cassiterite
asked
Mar 13, 2019
in
Class 12
by
kratos
neet
processes of isolation of elements
processes of isolation of metals
aiims
jee
class-12
jee mains
general principles
+2
votes
1
answer
Set 1 Set 2 (1) Electrolysis (p) Wide range of temperature
asked
Mar 12, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
+2
votes
1
answer
Given below are the different temperature reactions & products during extraction of iron in blast furnace
asked
Mar 12, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
+2
votes
1
answer
The Mond process is used for the-
asked
Mar 10, 2019
in
JEE
by
kratos
processes of isolation of elements
cbse
processes of isolation of metals
jee
jee mains 2019
class-12
jee mains
general principles
+1
vote
1
answer
Set 1 Set 2 (1) Bauxite (p) Bayers (2) Zinc blend (q) Blast Furnace
asked
Feb 28, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
+3
votes
1
answer
(1) Cu is obtained by ____ . Then by pdt CO2 obtained Statement
asked
Feb 23, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
+3
votes
1
answer
Slag formed in blast furnace, removes the impurity of (a) SiO2 (b) CaO (c) CO2 (d) FeO
asked
Feb 21, 2019
in
Class 12
by
kratos
neet
processes of isolation of elements
jee main 2020
processes of isolation of metals
general principles
aiims
jee
jee mains
class-12
+3
votes
1
answer
Blister copper is
asked
Feb 13, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
+2
votes
1
answer
Explain why : (a) In the electrolysis of alumina using the Hall Heroult’* Process the electrolyte
asked
Feb 11, 2019
in
JEE
by
kratos
processes of isolation of metals
jee
class-10
icse
jee mains
general principles
metallurgy
+1
vote
1
answer
What is Blister?
asked
Feb 6, 2019
in
Class 12
by
kratos
principles and processes of isolation of elements
neet
processes of isolation of metals
aiims
jee
general principles
jee mains
class-12
metallurgy
+2
votes
1
answer
Metal with low melting point containing impurities of high melting point can be purified by
asked
Feb 4, 2019
in
JEE
by
kratos
jee main 2020
processes of isolation of metals
jee
class-10
jee mains
general principles
p - block element
+3
votes
1
answer
Hydrometallurgy is used in extraction of
asked
Jan 29, 2019
in
JEE
by
kratos
processes of isolation of metals
general principles
jee
jee mains
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