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Subjects
Science CBSE
Class 10
Metals and non-metals
Textbook based HOTS
17.
Multiple Choice Question Answer XVII
Exercise condition:
2
m.
1.
Which of the following is used in reduction of alumina ?
Aluminum
Carbon monoxide
Electricity
Coke
2.
For purification of which metal, liquation method is used ?
Tin
Lead
Bismuth
All of these
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