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प्रश्न
Name the following:
The mixture of materials fed into a furnace to extract a metal.
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संबंधित प्रश्न
Name two metals which are found in nature in the free state.
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 |
The metal which is always present in an amalgam is:
(a) iron
(b) aluminium
(c) mercury
(d) magnesium
Rock salt is an ore of one of the following metals. This metal is:
(a) Mn
(b) Na
(c) Fe
(d) Cu
Compare the process of calcination and roasting.
Froth floatation process is generally used to concentrate ______ ores.
_______ is the least reactive metal.
Identify who I am!
Ore of Aluminum- ______
Write the molecular formulae of the following compound.
Cryolite
Explain the concept of Calcination.
