A.coke
B.98% H2SO4
C.sand
D.60% HNO3
Related Mcqs:
- In wet process (strong sulphuric acid leaching) for the manufacture of orthophosphoric acid the dilute orthophoric acid (40%) is obtained from travelling pan vacuum filter. The dilute orthophosphoric acid (50%) is concentrated economically 75% orthophosphoric acid by using
- Contact process for the manufacture of sulphuric acid yields
- Triple superphosphate is made by reacting phosphate rock with orthophosphoric acid. It is represented by
- If the reactor temperature is wet process (strong sulphuric acid leaching) for the manufacture of orthophosphoric acid is kept about 100?C
- In wet process (strong sulphuric acid leaching for the manufacture of orthophosphoric acid a by-product obtained is
- In wet process (strong sulphuric acid leaching) for the manufacture of orthophosphoric acid the reactor temperature is maintained at
- In wet process (Hydrochloric acid leaching) for the manufacture of orthophosphoric acid solvent used for the extraction of H3PO4 from CaCI2 solution is
- The electric furnace is used for the manufacture of elemental phosphorus from phosphate rock. The electrodes are made of
- The principal raw materials for the manufacture of urea are
- Fuming nitric acid is
