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- Zinc is extracted from Zinc blende by
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- Gibb's free energy is given by .
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- Magnesite is .
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- A mixture containing sulphides of copper and iron is called
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- Cinnabar is the sulphide ore of metal.
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- The percentage of carbon in high carbon steel is .
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- Froth floatation process is suitable for concentrating ores.
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- Steel is an alloy of
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- Metal oxide is converted into metal by the process.
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- Sodium cyanide solution is used to extract from its ores.
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- In the thermite process is used as a reducing agent.
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- Galena is
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- HgS((s)) + O(2(g)) rarr Hg((l)) +SO(2) uarr The above reaction is an...
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- In Hall-Herold process, act as an anode.
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