NEET Chemistry
Refining Process
Low Priority
Consistency: 10%
Weightage: 2 / 20 Yrs
High-Yield Trend
1
2021 1
2020 Questions 2 MCQs
01
PYQ 2020
medium
chemistry ID: neet-202
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) |
1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2021
medium
chemistry ID: neet-202
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
1
(1)
2
(2)
3
(3)
4
(4)