MCQ Mojo
Quiz Guides
Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12
QuizGuides
CBSE
Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12
dark_mode Toggle dark mode
CBSE › Class 12 › Chemistry › General Principles and Processes of Isolation of Elements
local_fire_department 1/10
schedule 0:00

1. Impurities of sulphur, silicon and phosphorus can be removed from cast iron by adding

2. In metallurgical process, aluminium acts as

3. Ellingham diagram represents change of

4. During the extraction of haematite, limestone is added which acts as

5. In blast furnace iron oxide is reduced by

6. From the Ellingham graph between Gibb’s energy and temperature, out of C and CO with is a better reducing agent for ZnO?

7. In a thermite process is used as reducing agent.

8. Blister copper is

9. Which of the following slags is produced during extraction of iron?

10. Which of the following oxides cannot be reduced by hydrogen?

Practice more on General Principles and Processes of Isolation of Elements
Quiz 1Quiz 2Quiz 3