5872Chemical EngineeringMedium
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium________?
APhosphate
BBicarbonate
CCarbonate
DSilicate
Correct answer
C. Carbonate
Explanation
The correct answer is Carbonate.
Correct answer
C. Carbonate
Explanation
The correct answer is Carbonate.
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the ________?
Absorption of SO3 in 97% H2SO4 is________?
Molecular diffusion is caused by the________?
Out of the following fuels, the difference between gross and net calorific value will be minimum in case of________?
Maximum size reduction in a fluid energy mill is achieved by________?
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are________?