This quiz assesses knowledge on the general principles and processes of isolation of elements, focusing on metallurgical techniques like gravity separation and froth floatation. It covers the properties and extraction methods of metals such as aluminum and involves understanding of key chemical agents and their roles.
Magnetic Separation
Gravity Separation
Froth Floatation Process
Calcinations
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Enthalpy
Entropy
Gibb’s Energy
Specific Heat
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Limestone
Dolomite
Chalk
Feldspar
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Stabilise the froth formed.
Separate two sulphide ores
Recover the ore particles.
Enhance non-wettability of the mineral particles
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Gangue particles
Main ore
Ore and Gangue particles
None of the above
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Sand
Clay
Haematite
Zincite
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CaO
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Chalcophyrite
Bauxite
Haematite
Calamine
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Zone refining
Electrolytic refining
Liquation
Distillation
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Ag
Mg
Cu
Pt
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In all the above
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Gibb’s energy remains constant
Enthalpy remains constant.
Temperature is less than ΔH / ΔS
Temperature is greater than ΔH / ΔS
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Metals combine with carbon to form carbide
Metals do not react with carbon
Metal oxides are not reduced by carbon
Metals are not reduced by
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Blast furnace
Arc furnace
Muffle furnace
Reverberatory furnace
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