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IIT-JEE PREVIOUS YEAR (CHEMISTRY)-EXTRACTION OF METALS-JEE Main And Advanced
- In the commercial electrochemical process for aluminium extraction, th...
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- Hydrogen gas will not reduce:
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- In the aluminothermite process, aluminium is
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- Bonds presents in CuSO(4) .5H(2)O is
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- In the metallurgy of iron, when limestone is added to the blast furnac...
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- Iron is rendered passive by treatment with concentrated
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- Extraction of copper from copper pyrite (CuFeS(2)) involves
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- Copper is purified by electrolytic refining of bliter copper .The curr...
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- Upon hetaing with Cu(2)S the regants that give copper metel are (i)...
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- The carbon-based reduction method is NOT used for the extraction of
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- Extraction of metal from the ore cassiterite involves
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- The addition of high proportions of maganese makes steel useful in mak...
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- Out of the following matals that cannot be obtained by electrolysis of...
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- In the electrolysis of alumina, cryolite is added to
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- Al(OH)(3) is amphoteric is nature. Al-O and O-H bonds can be borken ...
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- Copper is the most noble of first row transition metals and occurs in ...
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- Copper is the most noble of first row transition metals and occurs in ...
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- Copper is the most noble of first row transition metals and occurs in ...
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- Match the anionic species given in Column I that are present in the or...
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