Question

The correct statement is:
(A) leaching of bauxite using concentrated NaOH solution gives sodium aluminate and sodium silicate
(B) the Hall-Heroult process is used for the production of aluminium and iron
(C) the blistered appearance of copper during the metallurgical process is due to the
evolution of CO₂
(D) pig iron is obtained from cast iron

Answer 1

The correct statement is:

(A) leaching of bauxite using concentrated NaOH solution gives sodium aluminate and sodium silicate

(B) the Hall-Heroult process is used for the production of aluminium and iron✅✅

(C) the blistered appearance of copper during the metallurgical process is due to the

evolution of CO₂

(D) pig iron is obtained from cast iron

Answer 2

Answer:

B. will be correct answers

Explanation:

hope the answer will help you