CBSE Class 10 Chemistry Metallurgy
Q.
Noble metals occur in their native state because of their
Q.
In the process of extraction, ores are crushed into a fine powder. This process is known as
Q.
Which of the following ores are concentrated by roasting?
Next Videos
- Que:- How is the aluminium metal extracted? (In the bauxite ore it occures as hydrated aluminium oxide ,so also explain the steps we need to follow before electrolytic reduction)
- Both Al2O3.2 H2O (bauxite) and Na3AlF6(Cryolite) contain aluminium metal in them. But bauxite is used to extract aluminium metal but not Cryolite. Why?
- what is calcination?
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- what is metallurgy
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- describe the use of aluminium asc reducing agent for reduction of metal oxides .. give the equations involved
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