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Recent questions tagged minerals
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What is the function of oil refineries? How many major oil refineries are there in India? Mention five major oil refineries India.
asked
Apr 6, 2019
in
Class 10
by
kratos
class-10
minerals
+3
votes
1
answer
In B2H6 :- (a)There is a direct boron-boron bond (b)The boron atoms are linked through hydrogen atoms
asked
Mar 31, 2019
in
Class 12
by
kratos
neet
extractive metallurgy
ores
jee
aiims
minerals
jee mains
p-block element
p - block element
+1
vote
1
answer
Name two ores of manganese.
asked
Mar 25, 2019
in
Class 10
by
kratos
class-10
minerals
+1
vote
1
answer
Describe the distribution, production and trade of Bauxite in India.
asked
Mar 23, 2019
in
Class 12
by
kratos
industry
power resources
mineral
indian minerals
industries
minerals
class-10
class-12
+1
vote
1
answer
For the extraction of Pb when impurity content is very high, then during roasting of galena,
asked
Mar 15, 2019
in
JEE
by
kratos
metals and nonmetals
principles and processes of isolation of elements
extractive metallurgy
ores
jee
minerals
class-10
jee mains
class-12
metallurgy
+2
votes
1
answer
Which of the following cannot be extracted by electrolysis from aqueous solution of their salts?
asked
Mar 12, 2019
in
Chemistry
by
kratos
electrochemistry
extractive metallurgy
ores
jee
minerals
jee mains
redox reactions
class-12
+1
vote
1
answer
The ore that contains both iron and copper is :
asked
Mar 9, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
minerals
jee mains 2019
jee mains
class-12
metallurgy
+1
vote
1
answer
The methods chiefly used for the extraction of Lead & Tin from their ores are respectively
asked
Mar 6, 2019
in
JEE
by
kratos
extractive metallurgy
biotic and non biotic resources
ores
jee
coordination
minerals
class-10
jee mains
class-12
p - block element
+2
votes
1
answer
In the thermite process ...... is used as a reducing agent.
asked
Mar 5, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
minerals
jee mains
+1
vote
1
answer
Which place has the largest ******* of iron ore in India? In which state is it located?
asked
Mar 3, 2019
in
Class 10
by
kratos
class-10
minerals
+2
votes
1
answer
The major role of fluorspar (CaF2) which is added in small quantities in the electrolytic reduction
asked
Feb 20, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
minerals
jee mains
+3
votes
1
answer
Write the constituents of electrolyte for the extraction of aluminium.
asked
Feb 18, 2019
in
JEE
by
kratos
class-12
metallurgy
extractive metallurgy
class-10
jee mains
ores
icse
jee
minerals
+2
votes
1
answer
Dil. HCl oxidises metallic Fe to Fe^2+.
asked
Feb 16, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
hydrogen
minerals
jee mains
p - block element
+3
votes
1
answer
Match the following choosing one item from column X and the appropriate item from column Y
asked
Feb 10, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
minerals
jee mains
+1
vote
1
answer
Name two important oil fields in each of the following regions. Also state the approximate contribution of each region in India’* petroleum production
asked
Feb 8, 2019
in
Class 10
by
kratos
class-10
minerals
+1
vote
1
answer
The chemical process in the production of steel from haematite ore involve (a) reduction
asked
Feb 6, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
minerals
jee mains
+3
votes
1
answer
When the ore haematite is burnt in air with coke around 2000K alongwith lime,
asked
Feb 6, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
minerals
jee mains
+3
votes
1
answer
In the basic Bessemer process for the manufacture of steel, the lining of the converter is made up of ... . The slag formed consists of ......
asked
Feb 5, 2019
in
JEE
by
kratos
extractive metallurgy
ores
jee
minerals
jee mains
+1
vote
1
answer
Why is there a need for conserving water? Give two reasons.
asked
Feb 4, 2019
in
Class 12
by
kratos
sources of energy
class-12
wildlife
class-10
water
natural vegetation
minerals
biodiversity and conservation
class-9
cbse
+1
vote
1
answer
What is anthracite? What are its uses? Where in India is it found?
asked
Feb 2, 2019
in
Class 10
by
kratos
class-6
class-10
minerals
icse
ores exercises
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