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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
- The metals which do not burn oxidise even on surface are
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- During corrosion process takes place.
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- Bistler copper is purified by
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- The substance added to remove the impurity is
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- The formula of Haematite
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- Most abundant metal in the earth's crust is
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- Metals occur in the native form because of their
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- Correct statement among the following is
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- Calcination is a pyrochemical process in which the ore is heated in th...
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- Roasting is carried out in
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- Most abundant element in the earth's crust by weight is
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- The substance added to remove the impurity is
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- Which of the following slag is formed between CaO and SiO2?
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- Which of the pairs of ores are carbonate ores ?
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- Method of extraction of metal from purified ore depends on
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- More active metals are not obtained from their ores by simple reductio...
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- ‘Na' metal is prepared from fused NaCl by
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- 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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