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ALLEN-METALLURGY-EXERCISE-01
- The most abundant element found in the earth's crust is:-
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- Which of the following element is found in its native state:-
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- Which of the following contain both calcium and magnesium:-
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- Which of the following is not an ore of Iron ?
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- Litharge is a mineral of
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- Which one is mineral of manganese
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- Calamine is
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- Black Jack is
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- Pyrolusite is
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- The impurities present in the ore is called
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- Leaching method is used to concentrate the ores of
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- Which of the following can be obatined by hydrometallurgy
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- Which is wrongly mached
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- The process of converting hydrated Alumina into anhydrous Alumina is c...
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- The metallurgical process in which a metal is obtained in a fused stat...
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- Blister copper is
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- Among the following pairs of oxides, In which pair both are reduced by...
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- Calomel is the name of
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- "Hydro metallurgy" method is used for the extraction of the following ...
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- Process of heating ore is air to remove sulphur is:
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