Eamcet Chemistry - 2 nd Year : Unit 6.1 ( General Principles of Metallurgy ) - General Principles of Metallurgy Free Online Tests | Mock Tests | Preparation | Practice Tests

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Eamcet Chemistry
2 nd Year : Unit 6.1 ( General Principles of Metallurgy ) - General Principles of Metallurgy

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In Down’s process for the extraction of sodium, the melting point of NaCl is lowered from 803⁰ Cto 600⁰ C

a) In order to avoid vaporization of metallic sodium
b) In order to avoid corrosive action of sodium and chlorine on the vessel at the high temperature
c) By mixing sufficient amounts of KCl and KF

A. Only ‘a’ is correct

B. ‘a’ & ‘b’ are only correct

C. a & c are correct

D. a, b, c are correct

E. None of the above

View Answer

Correct choice: D

Explanation:

None

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Eamcet Chemistry 2 nd Year : Unit 6.1 ( General Principles of Metallurgy ) - General Principles of Metallurgy

Eamcet Chemistry
2 nd Year : Unit 6.1 ( General Principles of Metallurgy ) - General Principles of Metallurgy