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Sulphide ore of copper can be concentrated by froth floatation process.

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Important Questions on General Principles and Processes of Isolation of Metals (Metallurgy)

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IMPORTANT
Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 3
Silver is purified by distillation process.
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Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 4
Highly pure metal can be obtained from a solution of iron sulphate by addition of zinc.
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Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 5
Zinc is precipitated from a solution of zinc sulphate by addition of iron.
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Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 6
The slag obtained during the extraction of copper pyrite is composed of FeSiO3.
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Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 7
In calcination, ore is heated strongly in the absence of air.
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Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 8
The mineral carnallite contains magnesium and _____ metal. (write symbol)
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Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 9
The actual reducing agent of haematite in blast furnace is _____. (write formula)
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Beta Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>EXERCISE-3>Q 10

In the basic Bessemer's process of the manufacture of steel. The lining of the converter is made of lime.

The slag formed consists of _____. (silicate, phosphate)