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प्रश्न
Name one metal which is extracted by reduction with aluminium.
उत्तर
Reduction with aluminium: Manganese is a reactive metal and it cannot be reduced by carbon. Thus, it is reduced by aluminium.
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संबंधित प्रश्न
Which metal is extracted from calamine ore?
An important ore of zinc metal is:
(a) calamine
(b) cuprite
(c) pyrolusite
(d) haematite
Which of the following metals can be obtained from haematite ore?
(a) copper
(b) sodium
(c) zinc
(d) iron
Which metal can be extracted from the following ore?
bauxite
Give the principles of electromagnetic separation.
Define the term : Flux
Complete the incomplete statement with missing word:
Metals are malleable while non-metals are ______.
Write the name.
The process of extraction of aluminium from alumina-
The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called ____________.
Which of the following metals exist in their native state in nature?
(i) Cu
(ii) Au
(iii) Zn
(iv) Ag
