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In the manufacture of iron from haematite, limestone is added to act as -
(a)A flux
(b)A slag
(c)A reducing agent
(d)An oxidising agent

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Important Questions on Metallurgy
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(a) Lime stone is decomposed to during the extraction of iron from its oxides.
(b) In the extraction of silver, silver is extracted as an anionic complex.
(c) Nickel is purified by Mond’s process.
(d) and are purified by Van Arkel method.

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Match the following
List - I | List - II | ||
(a) | Copper | (i) | Bauxite |
(b) | Iron | (ii) | Malachite |
(c) | Zinc | (iii) | Haematite |
(d) | Aluminium | (iv) | Calamine |
(v) | Galena |
The correct answer is

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