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DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
- In the purification of impure nickel by Mond's process, metal is purif...
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- Incorrect match
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- In van Arkel method, if I(2) is introduced at 1700 K over impure metal...
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- Van Arkel method of purification of metals involves converting the met...
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- Identify the reaction that does not take place in a blast furnace
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- The temperature (""^@C) at which Fe2 O3is finally reduced to Fe in the...
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- High purity copper is obtained by
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- Iron is obtained on a large scale from Fe2O3 by
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- Which of the following metals is obtained by electrolytic reduction pr...
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- In the extractionof iron, slag is produced. Slag is
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- Thomas slag is
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- Which of the following pairs of metals uis purified by van arkel meth...
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- Which of the following metals is extracted by the electrometallurgical...
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- The electrolytic reduction technique is used in the extraction of
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- Nickel is purified by thermal decomposition of its
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- In the electrolysis of alumina, cryolite is added to
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- (viii) Amongest the following groups of oxides, the group containing o...
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- The phenomenon of removing layers of basic oxides from metals before e...
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- which of the following electronts is present as the impurity to the m...
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- Carbon and CO gas are used to reduce which of the following pairs of m...
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