Purification And Characterisation Of Organic Compounds Question 35
Question: Which of the following ore is best concentrated by froth-flotation method
[AIEEE 2004]
Options:
A) Galena
B) Cassiterite
C) Magnetite
D) Malachite
Show Answer
Answer:
Correct Answer: A
Solution:
Here only Galena is $ PbS $ (a sulphide ore).
Cassiterite is $ SnO_2 $ (oxide ore).
Magnetite is $ Fe_3O_4 $ (Oxide ore) and Malachite is $ Cu{{(OH)}_2}.CuCO_3 $ (Carbonate ore).
The froath floatation process is used to concentrate sulphide ores, based on preferential wetting properties with froating agent and water.
BETA
