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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
- Which combination is wrong for the extraction of sodium metal from fus...
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- Which of the following step is not involved in the extraction of Ag ?
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- Which of the following impurities are present in a metal after reducti...
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- The selection of process of purification of a metal depends on:
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- Liquation is used for purification of metal if:
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- Chemically rust is a
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- When an Iron object is painted, the process of corrosion is reduced du...
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- The furnaces in which there is no direct contact between the hearth an...
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- Active metals are not extracted by the electrolysis or aqueous electro...
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- Which of the following is wrong?
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- Which of the following is correct about calcination ?
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- Which of the following is true about preparation of Iron by smelting p...
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- Which of the following is true about the electrolytic refining of meta...
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- Aluminium is more reactive than Iron, but rate of corrosion in Iron is...
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- Which of the following method is used for purification of metals conta...
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- The electrolyte used in refinery of copper is
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- The main use of CaCl2 in laboratory is
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- Assertion (A) : Gold is available in nature in free state. Reason (R) ...
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- Metals are available in: i) free state ii) mixed state.
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- Assertion (A) : Bauxite is ore for Aluminium metal. Reason (R) : The m...
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