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General Principles and processes of Isolation of Elements
medium
The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is
A
zone refining
B
liquation
C
vapour phase refining
D
distillation
(JEE MAIN-2020)
Solution
Liquation method is used when the melting point of metal is less compare to the melting point of the associated impurity.
Standard 12
Chemistry
Similar Questions
Match List$-I$ with List$-II$ and select the correct answer using the codes given below the lists :
| List $-I$ | List $-II$ |
| $(a)$ van Arkel method | $1.$ Manufacture of caustic soda |
| $(b)$ solvay process | $2.$ Purifaction of titanium |
| $(c)$ Curpellation | $3.$ Manufacture of $Na_2CO_3$ |
| $(d)$ Poling | $4.$ Purifaction of copper |
| $5.$ Refiining of silver |
Codes :
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