7456Chemical EngineeringMedium
Presence of ________ hardness is responsible for the temporary hardness in water?
ASulphate
BCalcium
CCarbonate
DChloride
Correct answer
B. Calcium
Explanation
The correct answer is Calcium.
Correct answer
B. Calcium
Explanation
The correct answer is Calcium.
Functional depreciation of an equipment is the measure of decrease in its value due to its ________?
Phenols are added in gasoline to________?
When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids?
________ bricks are used in the burning zone of a cement rotary kiln?
Which of the following mixtures does not form an azeotrope at atmospheric pressure?
Which of the following pollutants is absent in the emissions from a fertilizer plant?