Electric process as compared to wet process (for the manufacture of phosphoric acid)

Question: Electric process as compared to wet process (for the manufacture of phosphoric acid)
[A].

can use only high grade phosphate rock.

[B].

is used less frequently.

[C].

produces a valuable by-product called gypsum.

[D].

is weak acid process.

Answer: Option B

Explanation:

No answer description available for this question.