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JEE Mains 11-Apr-2023 Shift 2 Solved Paper
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Question : 66
Total: 90
Given below are two statements :
Statement I : In the metallurgy process, sulphide ore is converted to oxide before reduction.
Statement II : Oxide ores in general are easier to reduce.
In the light of the above statements, choose the most appropriate answer from the options given below:
[11-Apr-2023 shift 2]
Both Statement I and Statement II are correct
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are incorrect
Validate
Solution:
2
ZnS
+
3
O
2
→
2
ZnO
+
2
SO
2
Oxides on carbon reduction forms
CO
2
while sulphide on carbon reduction gives
CS
2
.
CO
2
is more volatile compared to
CS
2
therefore oxides are easy to reduce.
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