A. Phosphoric
B. Nitric
C. Sulphuric
D. Hydrochloric
Related Mcqs:
- Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of_____________ percent concentration?
A. 25-28
B. 52-54
C. 75-80
D. > 98 - Superphosphate is manufactured by reacting phosphate rock with_____________________?
A. Acetic acid
B. Sulphuric acid
C. Aluminium chloride
D. None of these - Reaction of nitric acid and sulphuric acid with phosphate rock produces_________________?
A. Nitrophosphate
B. Diammonium phosphate
C. Tricresyl phosphate
D. Tributyl phosphate - Leaching of phosphate rock by strong ____________ acid produces phosphoric acid ?
A. Sulphuric
B. Hydrochloric
C. Either A. or B.
D. Neither A. nor B. - P2O5 content in triple superphosphate is about ______________ percent?
A. 42-50
B. 15-20
C. 85-90
D. 70-75 - Triple superphosphate is chemically represented as_____________________?
A. CaF2.3Ca3(PO4)2
B. 3Ca3(PO4)2
C. Ca(PO3)2
D. Ca(H2PO4)2 - Reaction of ______________ acid with phosphate rock produces superphosphates?
A. Hydrochloric
B. Sulphuric
C. Nitric
D. Phosphoric - Action of phosphoric acid on rock phosphate produces_________________?
A. Superphosphate
B. Triple superphosphate
C. Nitrophosphate
D. Diammonium phosphate - Reaction of ortho-phosphoric acid with phosphate rock produces _________________?
A. Superphosphate
B. Triple superphosphate
C. Meta-phosphoric acid
D. Monoammonium phosphate - Reaction of dilute sulphuric acid with phosphate rock produces ____________________?
A. Phosphoric acid
B. Superphosphate
C. Triple superphosphate
D. Gypsum
