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Class 12
Chemistry
Metallurgy
General Principles and Processes of Isolation of Elements
Select correct statement:
(a)
The decomposition of an oxide into oxygen and metal vapour increases
(b)
Decomposition of an oxide is an endothermic change
(c)
To make
Δ
G
o
negative, temperature should be high enough so that
T
Δ
S
o
>
Δ
H
o
(d)
All are correct statements
Correct answer:
(d)
Solution:
thus, all statement are correct.
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Similar topics
general principles and processes of isolation of elements
metallurgical operations
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general principles and processes of isolation of elements
metallurgical operations
Related Questions
Select the correct statements for Ellingharn diagram:
Gold does not occur in the combined form. It does not react with air or water. It is in the_______state.
With respect to an ore, Ellingham diagram helps to predict the feasibility if its:
Which metal is generally found in native state?
Assertion :
A
l
2
O
3
is converted into
A
l
by reduction with carbon.
Reason :Carbon (graphite) has greater affinity for oxygen than aluminium.
Give the chemical formula of
Bauxite
Selection of temperature to carry out a reduction process depends so as to make:
For the reaction of FeO at the temperature corresponding to point D, which of the following statement is correct?
Related Questions
Select the correct statements for Ellingharn diagram:
Gold does not occur in the combined form. It does not react with air or water. It is in the_______state.
With respect to an ore, Ellingham diagram helps to predict the feasibility if its:
Which metal is generally found in native state?
Assertion :
A
l
2
O
3
is converted into
A
l
by reduction with carbon.
Reason :Carbon (graphite) has greater affinity for oxygen than aluminium.
Give the chemical formula of
Bauxite
Selection of temperature to carry out a reduction process depends so as to make:
For the reaction of FeO at the temperature corresponding to point D, which of the following statement is correct?
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