A. Pyro
B. Ortho
C. Meta
D. None of these
Related Mcqs:
- Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ?
A. Isopropyl alcohol
B. Butyl alcohol
C. Toluene
D. Hexane - HPO3 is the chemical formula of ______________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these - H4P2O7 is the chemical formula of _____________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these - Chemical formula of meta-phosphoric acid is ___________________?
A. H3PO4
B. H4P2O7
C. HPO3
D. Same as that of Pyrophosphoric acid - 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 anhydrous liquid ammonia with ortho-phosphoric acid produces____________________?
A. Ammonium phosphate
B. Superphosphate
C. Triple superphosphate
D. None of these - Phosphoric acid is produced in wet process from phosphate rock and____________________?
A. Dilute H2SO4
B. Concentrated H2SO4
C. Concentrated NHO3
D. Concentrated HCl - 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 - Reaction of ortho-phosphoric acid with phosphate rock produces _________________?
A. Superphosphate
B. Triple superphosphate
C. Meta-phosphoric acid
D. Monoammonium phosphate - Heating of ortho-phosphoric acid to 250°C produces___________________?
A. Meta-phosphoric acid
B. Pyrophosphoric acid
C. No change in it
D. None of these
