Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged methods of extraction
+1
vote
1
answer
Write the principle of electrolytic refining.
asked
Apr 7, 2019
in
Class 12
by
kratos
class-12
cbse
methods of extraction
processes of isolation of elements
+1
vote
1
answer
Write the principle of Vapour phase refining.
asked
Apr 4, 2019
in
JEE
by
kratos
cbse
processes of isolation of elements
jee
methods of extraction
jee mains
class-12
metallurgy
+2
votes
1
answer
A mixture of X and Y was loaded in the column of silica. It was eluted by alcohol water mixture. Compound Y eluted in preference to compound X.
asked
Apr 2, 2019
in
JEE
by
kratos
jee advanced 2020
processes of isolation of elements
cbse
jee main 2020
class-11
methods of extraction
class-12
+1
vote
1
answer
What should be the considerations during the extraction of metals by electrochemical method?
asked
Mar 30, 2019
in
Class 12
by
kratos
neet
processes of isolation of elements
cbse
aiims
methods of extraction
class-12
general principles
+3
votes
1
answer
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
asked
Mar 27, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
class-11
methods of extraction
class-12
+2
votes
1
answer
How are metals used as semiconductors refined? What is the principle of the method used?
asked
Mar 26, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
methods of extraction
general principle
class-12
+2
votes
1
answer
Vapour phase refining method is used for the purification of Ti.
asked
Mar 24, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
methods of extraction
class-12
general principles
+2
votes
1
answer
Describe the principle involved in each of the following processes of metallurgy: (i) Froth floatation method
asked
Mar 21, 2019
in
Class 12
by
kratos
processes of isolation of elements
cbse
methods of extraction
class-10
class-12
+3
votes
1
answer
Why is the reduction of a metal oxide easier if metal formed is in liquid state at the temperature of reduction ?
asked
Mar 17, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
methods of extraction
general principle
class-12
metallurgy
+2
votes
1
answer
What is the composition of copper matte ?
asked
Mar 15, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
general principles
methods of extraction
class-12
+2
votes
1
answer
How are metals used as semiconductors refined ? What is the principle of the method used ?
asked
Mar 12, 2019
in
Class 12
by
kratos
class-12
cbse
methods of extraction
processes of isolation of elements
+2
votes
1
answer
Describe a method for refining nickel.
asked
Mar 11, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
methods of extraction
class-12
general principles
+2
votes
1
answer
On the basis of above data, predict the temperature at which carbon can be used as a reducing agent for MgO (*).
asked
Mar 11, 2019
in
Class 12
by
kratos
metals and nonmetals
cbse
processes of isolation of elements
methods of extraction
class-10
metals and non-metals
class-12
+1
vote
1
answer
Generally sulphide ores are converted into oxides before reduction.
asked
Mar 9, 2019
in
Class 12
by
kratos
metals and nonmetals
neet
cbse
processes of isolation of elements
methods of extraction
class-10
class-12
+2
votes
1
answer
Predict conditions under which Al might be expected to reduce MgO.
asked
Mar 7, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
class-11
methods of extraction
class-12
metallurgy
+2
votes
1
answer
discuss the principle of extraction and purification of aluminium from one of its cheif ore
asked
Mar 7, 2019
in
Class 12
by
kratos
principles and processes of isolation of elements
cbse
processes of isolation of elements
methods of extraction
bseb model set
class-12
+1
vote
1
answer
Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true?
asked
Mar 6, 2019
in
Chemistry
by
kratos
neet
processes of isolation of elements
cbse
jee
aiims
methods of extraction
general principles
inorganic chemistry
jee mains
class-12
metallurgy
+1
vote
1
answer
Outline the principles of refining of metals by the following methods: (i) Zone refining (ii) Electrolytic refining
asked
Mar 5, 2019
in
Class 12
by
kratos
class-12
cbse
methods of extraction
processes of isolation of elements
+2
votes
1
answer
Describe the role of the following: (i) NaCN in the extraction of silver
asked
Mar 4, 2019
in
Class 12
by
kratos
cbse
processes of isolation of elements
general principles
methods of extraction
class-12
+1
vote
1
answer
Describe the principle controlling each of the following processes: (i) Vapour phase refining of titanium metal.
asked
Mar 4, 2019
in
Class 12
by
kratos
processes of isolation of elements
cbse
methods of extraction
class-12
metallurgy
To see more, click for the
full list of questions
or
popular tags
.