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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
- Zone-refining is used for the
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- The metal always found in free state is
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- Bauxite is an ore of
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- Most abundant element in earth’s crust is
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- Which of the following ore is concentrated by the froth floatation pro...
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- The most impure form of iron is called wrought iron. (True or False)
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- Argentite is an ore of silver. (True or False)
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- Haematite is an ore of .
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- What is the function of reduction in the metallurgical operations? Dis...
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- What is meant by leaching ? Explain with an example.
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- Why is zinc not extracted from zinc oxide through reduction with CO?
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- Carbon monoxide (CO) gas is more dangerous than carbon dioxide (CO2) W...
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- A chemical compound is used treat indigestion, stomach acid, heart bur...
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- Predict conditions under which Al might be expected to reduce MgO.
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- White vitriol is used for-
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- The commercial name of zinc sulphate is-
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- What is froth floatation process ? Name the ores which are concentrate...
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- List important steps for the extraction of zinc from zinc blende .
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- Outline the principles involved in the following methods of refining o...
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- Chemical formula for white vitriol is-
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