Question

Q22. Which of the following is chemical method
of concentration of ores?
(A) Oil-floatation method
(B) Leaching method
(C) Gravity separation method
(D) Magnetic separation method​

Answer 1

Answer:

Magnetic Separation Method  

Explanation:

Answer 2

Answer:   Magnetic separation method​

Explanation:

Magnetic separation method​  is the chemical method among:-

(A) Oil-floatation method

(B) Leaching method

(C) Gravity separation method

(D) Magnetic separation method​