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Subjects
Science CBSE
Class 10
Metals and non-metals
The extraction, classification and properties
13.
Metal extracting and Refining: Match the correct one
Exercise condition:
2
m.
Answer variants:
Steam
Acidic oxide
Limited air
Electrolytic reduction
Basic oxide
Pure metal
Boiling
1
.
Calcination
-
2
.
\(CaO\)
-
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