Leaching of phosphate rock by strong __________ acid produces
phosphoric acid.
(A) Sulphuric
(B) Hydrochloric
(C) Either (A) or (B)
(D) Neither (A) nor (B)
phosphoric acid.
(A) Sulphuric
(B) Hydrochloric
(C) Either (A) or (B)
(D) Neither (A) nor (B)