1562Chemical EngineeringMedium
In sewage treatment, its sedimentation is speeded up by commonly adding________?
ASodium sulphate
BCopper sulphate
CHydrochloric acid
DLime
Correct answer
D. Lime
Explanation
The correct answer is Lime.
Correct answer
D. Lime
Explanation
The correct answer is Lime.
In the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2, decrease in the pressure of the system will ________ the degree of dissociation of PCl5?
Which of the following is an ore of iron?
Which of the following is artificially produced as it does not occur in nature?
Mach number is defined as the ratio of the local flow velocity to the sonic velocity in the fluid. For what value of Mach number, the gases are considered incompressible?
Pick out the wrong statement?
Calorific value of gobar gas (containing CH4 = 60%, H2 = 10% ; CO2 = 30%) may be about ________ Kcal/Nm3?