Back to GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
NEET UG CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
1
Easy
1 of 1
Remembering
+4 | -1
Which of the following pairs of metal is purified by zone refining method ?
View answer and explanation
Correct option: D
Si and Ge
Option D is correct because Silicon (Si) and Germanium (Ge) are semiconductors that are commonly purified using the zone refining method.
More Questions from GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
Practice All Chapter MCQs →
Mac Arthur and Forest cyanide process is used in the extraction of:
Which form of iron has lowest percentage of carbon?
Assertion (A): Wolframite impurities are separated from cassiterite by electromagnetic separation.
Reason (R): Cassiterite being magnetic is attracted by the magnet and forms a separate heap. Which one is an ore of sodium? Aluminothermic process is used for the extraction of metals, whose oxides are: In the extraction of copper, the metal formed in the Bessemer’s converter is due to the reaction:
Reason (R): Cassiterite being magnetic is attracted by the magnet and forms a separate heap. Which one is an ore of sodium? Aluminothermic process is used for the extraction of metals, whose oxides are: In the extraction of copper, the metal formed in the Bessemer’s converter is due to the reaction: