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ALLEN-METALLURGY-EXERCISE-02
- x,y and z in the following processes are respectively (i) P(2)O(5) +...
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- Which of the following process involves smelting
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- Out of the following which ores are calcinated during extraction (a)...
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- Which of the following match are incorrect
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- Valachite on calcination gives rarr 'A' + CO(2) +H(2)O. Compound 'A' o...
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- Which of the following ores are calcinared during extraction
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- Which method of purification is represented by the following equations...
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- Which are correctly is matched
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- Which of the following reaction is a part of Serpeck's process
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- (xiv) Following equation represents a method of purification of nickel...
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- Which substance is used as basic refractory material in furnace
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- Carbon cannot be used in the reduction of A1(2)O(3) because:
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- Which of the following reaction is not involved in themite process
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- Which of the following reduction processes are correct
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- Consider the following steps: Cu(2)S overset("roast in air")rarr A o...
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- Main source of lead is galena (PbS). It is converted to Pb by : S...
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- Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...
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- Ca(3)(PO(4))(2) is :
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- Bauxite is purified by
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- The process which do use catalysts are
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