NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- General Principles and Processes of Isolation of Metals
NTA Abhyas 2020 · Chemistry · General Principles and Processes of Isolation of Metals
The important step in the extraction of metal from carbonate ore is
The important step in the extraction of metal from carbonate ore is
Options
- ACalcination
- BRoasting
- CElectro-reduction
- DCupellation
Correct answer
A. Calcination
Step-by-step solution
The important step in the extraction of metal from carbonate ore is calcination.
\text{Z}\text{n}\text{C}{\text{O}_{3} \to \text{Z}\text{n}\text{O} + \text{C}{\text{O}_{2}
\text{Z}\text{n}\text{C}{\text{O}_{3} \to \text{Z}\text{n}\text{O} + \text{C}{\text{O}_{2}