How carnallite ore is made anhydrous?

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

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 6

What is the role of a stabiliser in the froth-floatation process?

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 8

Why the $\mathrm{HgO}$ decompose into its constituent elements on heating?

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 9

Cinnabar $\left(\mathrm{HgS}\right)$ and galena $\left(\mathrm{PbS}\right)$ on roasting often give their respective metals but zinc blende $\left(\mathrm{ZnS}\right)$ does not. Explain.

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 10

Magnesium oxide is often used as the lining in steel making furnace, Explain.

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 24

Which of the following is not an ore?

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 25

Which of the following set of metals mostly found as sulphide ores:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 26

The formula of carnallite is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-1>Q 29

Black tin is