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USHA PUBLICATION-GENERL PRINCIPAL AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
- What is flux ?
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- What is slag ?
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- Calcium silicate is an / a .
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- Flux + gangue = .
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- During extraction of 'Al' from bauxite is added to lower the melting ...
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- Write the name and composition of two ores of copper.
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- During extraction of iron, what is the role of lime stone ?
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- Sulphide ores are generally concentrated by
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- What is anode mud ?
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- Give an example of a metal which is obtained by autoreduction process.
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- The electropositive metals can be obtained by process.
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- Nickel can be purified by process.
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- What is smelting ?
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- Extraction of zinc from zinc blende is achived by
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- What is the role of silica in the metallurgy of copper?
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- How is cast iron different from pig iron ?
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- Out of C and CO which is a better reducing agent for ZnO ?
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- What type of furance is used for calcination ?
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- Name the carbonate ore of zinc.
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- What is the flux used in the extraction of iron?
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