5870Chemical EngineeringMedium
Absorption of SO3 in 97% H2SO4 is________?
ANone of these
BExothermic
CEndothermic
DNot possible
Correct answer
B. Exothermic
Explanation
The correct answer is Exothermic.
Correct answer
B. Exothermic
Explanation
The correct answer is Exothermic.
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium________?
Unsaturated oils compared to saturated oils have________?
The temperature of water cooled in cooling tower is always ________ temperature of entering air?
________ substances present in sewage are removed in grit chamber during sewage treatment?
Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is________?
Carbon content in plain carbon steel is ________ percent?