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ARIHANT PUBLICATION JHARKHAND-METALS, NON - METALS AND METALLURGY-EXAM BOOSTER FOR CRACKING EXAM
- Alum is used in the manufacture of cloth as
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- In which alloy, aluminium is not present?
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- Lapis-Lazuli' is a blue coloured precious stone. It is mineral of the ...
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- Which of the following statements is correct?
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- In the electrolysis of alumina, cryolite is added to
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- Cryolite is
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- Duralumin is an alloy of
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- Cryolite is used in the electrolytic extraction of aluminium
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- Which is not a mineral of aluminium
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- From pure alumina, aluminium is obtained by
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- In Serpeck's process for the purification of bauxite, an important by-...
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- The oxide ore is
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- Aluminium metal is not acted upon by pure water as
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- Alum is a
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- Aluminium metal is refined by
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- Which of the following mineral does not contain Al?
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- Bauxite containing chief impurities of oxides of silicon is called
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- In the purification of bauxite by Hall's process
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- Pure alumina is
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- In the electrolysis of alumina it is mixed with cryolite (Na(3)AlF(6))...
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