Main constituent of phosphate rock is_____________________?

Related Mcqs:

An increase in the NH3/CO2 ratio in urea manufacture results in__________________?

A. Increased degree of conversion of CO2 to urea B. Decreased degree of conversion of NH3 to urea C. Decreased yield of urea D. Decreased specific volume of molten mass...

Catalyst used in ammonia synthesis uses ____________ as a promoter?

A. Pt B. K2O C. Al2O3 D. Ni...

Reaction of ortho-phosphoric acid with soda ash produces______________?

A. Sodium Tributyl phosphate (STPP) B. Tricresyl phosphate C. Tributyl phosphate D. Nitrophosphate...

Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in__________________?

A. Low bulk density product B. Biuret formation C. Non-spherical prills D. Substantially wet non-flowing and sticky product...

Chemical formula of biuret is_________________?

A. NH2.CO.NH2 B. NH3.COO.NH3 C. NH2CONHCONH2 D. NH4COONH2...