Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
1. Distillation
2. Zone refining
3. Electrolysis
4. Chromatography

Subtopic:  Refining Process |
 52%
From NCERT
NEET - 2021
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The correct statement among the following is:

1. Blister copper has a blistered appearance due to the evolution of CO2.
2. Vapour phase refining is carried out for nickel by the Van Arkel method.
3. Pig iron can be moulded into a variety of shapes.
4. Wrought iron is impure iron with 4 % carbon.

Subtopic:  Refining Process |
 60%
From NCERT
NEET - 2020
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Match the elements in Column I with methods of purification in Column II.

Column I Column II
(a) Boron (i) Van Arkel method
(b) Tin (ii) Mond's process
(c) Zirconium    (iii) Liquation
(d) Nickel    (iv) Zone refining
 
Options: (a) (b) (c) (d)
1. (iv) (iii) (i) (ii)
2. (iv) (iii) (ii) (i)
3. (ii) (i) (iv) (iii)
4. (iii) (iv) (i) (ii)

Subtopic:  Refining Process |
 59%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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