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class 12
Solutions for all the questions from class 12
CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
biology
chemistry
maths
physics
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
In the metallurgical extraction of zinc from
Z
n
O
, the reducing agent used is
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Which of the following metal oxides are reduced by CO?
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
The above process is:
H
g
S
O
2
H
g
S
.
H
g
O
↓
Δ
H
g
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
The advantage of using carbon to reduce a number of oxides and other compounds are :
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Iron is extracted from magnetite by reduction with
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
The disadvantage of carbon reduction method are :
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Highly electropositive metal (s) can not be commercially extracted by carbon reduction process at high temperature because these :
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
What name is given to carbon reduction process for extracting the metal?
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Carbon monoxide is more effective reducing agent than carbon below 983 K but above this temperature the reverse is true. If true enter 1 else 0.
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Carbon monoxide cannot be used as a reducing agent to extract aluminium from alumina. Why?
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class 12
Solutions for all the questions from class 12
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CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
biology
chemistry
maths
physics
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
In the metallurgical extraction of zinc from
Z
n
O
, the reducing agent used is
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Which of the following metal oxides are reduced by CO?
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
The above process is:
H
g
S
O
2
H
g
S
.
H
g
O
↓
Δ
H
g
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
The advantage of using carbon to reduce a number of oxides and other compounds are :
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Iron is extracted from magnetite by reduction with
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
The disadvantage of carbon reduction method are :
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Highly electropositive metal (s) can not be commercially extracted by carbon reduction process at high temperature because these :
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
What name is given to carbon reduction process for extracting the metal?
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Carbon monoxide is more effective reducing agent than carbon below 983 K but above this temperature the reverse is true. If true enter 1 else 0.
Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Carbon monoxide cannot be used as a reducing agent to extract aluminium from alumina. Why?
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 662
You're on page
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page
2
page
3
page
4
page
5
page
...
page
662
Next
page
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