Chemistryhard · Past Paper
Which of the following is an example of an acidic flux?
ACaO
BMgO
CSiO2
DFe2O3
✓ Correct Answer: C — SiO2
Silica (SiO2) is an acidic flux used to remove basic impurities like FeO or CaO during smelting.
Share this question
More from Chemistry
- Roasting is generally performed on which type of ores?
- What is the catalyst used in the hydrogenation of vegetable oils?
- Which of these is the most malleable metal?
- Which metal is used to protect iron from rusting by the method of 'Sacrificial Protection'?
- Which of the following is used to remove permanent hardness of water?