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 ?

Related Mcqs:

In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at________________?

A. Low pressure B. High pressure C. Very high temperature D. Atmospheric pressure; as the pressure has no effect on conversion...

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of ____________ this is normally not done?

A. Increased biuret formation B. High corrosion rate C. Increased cost of equipment D. All A., B. & C....

Iron is not used alone as a catalyst in ammonia synthesis, because___________________?

A. Its activity declines rapidly, if heated to above 520°C B. It decomposes ammonia C. It gets oxidised above 500°C D. None of these...

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...