Purification And Characterisation Of Organic Compounds Question 194
Question: When a metal is to be extracted from its ore and the gangue associated with the ore is silica, then
Options:
A) an acidic flux is needed
B) a basic flux is needed
C) both acidic and basic fluxes are needed
D) Neither of them is needed
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Since silica is acidic impurity the flux must be basic.
$ CaO+SiO_2\to CaSiO_3 $