Advertisements
Advertisements
Question
Calcium carbonate used in the extraction of iron acts as _______.
(A) oxidising agent
(B) reducing agent
(C) gangue
(D) flux
Solution
(D) flux
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Explain magnetic separation process of ores with the help of a neat, labelled diagram.
Explain the following term
Flux
In Van Arkel method of refining metal, impure zirconium is converted to unstable volatile
compound by heating it with _______.
(A) oxygen
(B) chlorine
(C) bromine
(D) iodine
In Van Arkel method for refining zirconium or titanium, the halogen used is __________.
Match the items of Column I with items of Column II and assign the correct code:
| Column I | Column II |
| (A) Pendulum | (1) Chrome steel |
| (B) Malachite | (2) Nickel steel |
| (C) Calamine | (3) \[\ce{Na3AlF6}\] |
| (D) Cryolite | (4) \[\ce{CuCO3.Cu (OH)2}\] |
| (5) \[\ce{ZnCO3}\] |
