NEET Chemistry
Ellingham Diagram
Low Priority
Consistency: 10%
Weightage: 2 / 20 Yrs
High-Yield Trend
1
2018 1
2007 Questions 2 MCQs
01
PYQ 2007
medium
chemistry ID: neet-200
Which of the following statements about the advantage of roasting sulphide ore before reduction is not true?
| 1. | Carbon and hydrogen act as suitable reducing agents for metal sulphides |
| 2. | The of the sulphide is greater than those for and |
| 3. | The is negative for roasting of sulphur ore to oxide. |
| 4. | Roasting of the sulphide to the oxide is thermodynamically feasible |
1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2018
easy
chemistry ID: neet-201
Considering Ellingham diagram, which of the following metals can be used to reduce alumina?
1. Fe
2. Zn
3. Mg
4. Cu
1
(1)
2
(2)
3
(3)
4
(4)