2909Chemical EngineeringMedium
Phosphoric acid is prepared from________?
ACryolite
BNone of these
CRock phosphate
DChalcopyrite
Correct answer
C. Rock phosphate
Explanation
The correct answer is Rock phosphate.
Correct answer
C. Rock phosphate
Explanation
The correct answer is Rock phosphate.
A cylindrical storage tank can have a self supported conical roof?
Presence of nitrogen in steel________?
If air (a non-condensing gas) is present in a condensing vapor stream, it will ________ the condensation rate of vapor?
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?
Which of the following denotes the effect of compressibility in fluid flow?
Self-priming centrifugal pump can be used for________?