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Question
Extraction of moderately reactive elements is done by _______ and _______ method.
Options
roasting and calcination
roasting and reduction
separation and calcination
none of these
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Solution
Extraction of moderately reactive elements is done by roasting and calcination method.
RELATED QUESTIONS
How is copper extracted from its sulphide ore? Explain the various steps supported by chemical equations. Draw labelled diagram for the electrolytic refining of copper.
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Which one of the methods given in column I is applied for the extraction of each of the metals given in column II:
| Column I | Column II |
| Electrolytic reduction | Aluminium |
| Reduction with Carbon | Zinc |
| Reduction with Aluminium | Sodium |
| Iron | |
| Manganese | |
| Tin |
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bauxite
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Mineral
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Cryolite
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Reactivity series of metals
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Give the reaction involved during extraction of zinc from its ore by
- roasting of zinc ore
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A mineral from which the metal can be extracted economically and conveniently is known as ______.
