_______________ is used as a flux in the smelting of copper ore like chalcopyrite ?
Correct answer: C. Silica/quartz
- A. Coke breeze
- B. Lime powder
- C. Silica/quartz
- D. Dolomite
Explanation
Silica or quartz acts as an acidic flux in copper smelting by combining with iron oxide impurities to form a fusible iron silicate slag. Lime is more commonly used to flux acidic impurities in other smelting systems.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Glauber's salt is chemically ?
Commercial production of Vanaspati is done by _______________ of edible vegetable oils ?
Which of the following is an ore of iron ?
Poly Vinyl Chloride (P.V.C.) is a ______________ material ?
Which of the following is not an insecticide ?
Molecular weight of plastics ranges from ______________________?