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NIKITA PUBLICATION-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-Multiple choice questions
- Name the chemical formula of zinc blende and galena.
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- Two prevent corrosion iron pipes carrying drinking water are coated wi...
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- Name the metal which is used for galvanising iron.
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- The chemical formula of wallemite is
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- Red how steel rod on suddenly immersing in water becomes
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- Spiegeleisen is an alloy of
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- In blast furnace, the highest temperature is in
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- The common method of extraction of metals from oxide ores is
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- High purity copper metal is obtained by
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- Copper reduces
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- In blast furnace, iron oxide is reduced by
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- The colour of zinc sulphide is
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- The formula of haematite is
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- From a solution of CuSO4 the metal used to recover copper is
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- The formula of limonite is
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- In metallurgy, flux is a substance used to convert
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- Which of the following benefication processes is used for the mineral ...
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- Write about Alumino thermic process with examples.
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- In the electrolysis of alumina, cryolite is added to
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- Aluminium is more reactive than iron. But aluminium is less easily cor...
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