Pick out the false statement pertaining to water tre... - Solved MCQs & Answer

2194Chemical EngineeringMedium

Pick out the false statement pertaining to water treatment?

ASodium sulphate or sodium carbonate do not cause hardness in water

BThe zeolite water softening process reduces the hardness of water by not more than 50%

CAeration of water is effective in CO2 removal

DWater with pH value less than 7, is acidic

Correct answer

B. The zeolite water softening process reduces the hardness of water by not more than 50%

Explanation

The correct answer is The zeolite water softening process reduces the hardness of water by not more than 50%.

The relation, Sc = Pr = 1, is valid, when the mechanism of ________ transfer is same?

An ideal material of construction for the storage of 50% caustic soda solution would be________?

A radioactive isotope undergoes decay with respect to time following ________ law?

The ‘E’ curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt ________?

In the constant rate period of the rate of drying curve for batch drying,________?

Fusion point of a basic refractory material is________?