A. Hydrochloric
B. Sulphuric
C. Nitric
D. Phosphoric
Related Mcqs:
- Leaching of phosphate rock by strong ____________ acid produces phosphoric acid ?
A. Sulphuric
B. Hydrochloric
C. Either A. or B.
D. Neither A. nor B. - 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 - Reaction of nitric acid and sulphuric acid with phosphate rock produces_________________?
A. Nitrophosphate
B. Diammonium phosphate
C. Tricresyl phosphate
D. Tributyl phosphate - Reaction of phosphate rock with 98% H2SO4 produces ______________________?
A. Ortho-phosphoric acid
B. Superphosphate
C. White phosphorous
D. None of these - 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 - Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?
A. Phosphorous pentoxide
B. Phosphorous oxychloride
C. Ammonium phosphate
D. Calcium phosphate - Triple superphosphate is made by reacting phosphate rock with _____________ acid?
A. Phosphoric
B. Nitric
C. Sulphuric
D. Hydrochloric - Phosphoric acid is produced in wet process from phosphate rock and____________________?
A. Dilute H2SO4
B. Concentrated H2SO4
C. Concentrated NHO3
D. Concentrated HCl - Action of phosphoric acid on rock phosphate produces_________________?
A. Superphosphate
B. Triple superphosphate
C. Nitrophosphate
D. Diammonium phosphate
