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Byju's Answer
Standard XII
Chemistry
Electrometallurgy
Mark the vari...
Question
Mark the variety of iron which has highest melting point.
A
Pig iron
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B
Cast iron
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C
Steel
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D
Wrought iron
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Solution
The correct option is
B
Wrought iron
Wrought iron has the highest melting point, approaching
1540
o
C
.
Wrought iron is fibrous in character due to the incidental incorporation within the metal.
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0
Similar questions
Q.
Which of the following has highest melting point?
Q.
STATEMENT-1: Cast iron is different from pig iron.
STATEMENT-2 : Cast iron made by melting pig iron with scrap iron using hot blast and has about 3% carbon content.
Q.
A vertical brick duct (tube) is filled with cast iron. The lower end of the duct is maintained at a temperature
T
1
which is greater than the melting point
T
m
of cast iron and the upper end at a temperature
T
2
which is less than the melting point of cast iron. It is given that the conductivity of liquid cast iron is equal to
k
times the conductivity of solid cast iron. The fraction of the duct filled with molten metal is given as
l
1
l
=
x
k
(
T
1
−
T
m
)
k
(
T
1
−
T
m
)
+
(
T
m
−
T
2
)
. Find
x
.
Q.
Assertion :Wrought iron can be welded more easily than pig iron. Reason: Pig iron contains impurities and has a lower melting point than wrought iron.
Q.
(a) Cast iron is very hard and brittle because of higher carbon content.
(b) Iron obtained from the blast furnace is know as pig iron.
(c) The carbon content in wrought iron is the least.
(d) The melting point of cast iron is higher than that of wrought iron.
Which of the following regarding the above statements is correct?
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