2390Chemical EngineeringMedium
Which of the following is used as a coagulant in water treatment?
AHydrogen peroxide
BChloramine
CChlorine
DFerrous sulphate
Correct answer
D. Ferrous sulphate
Explanation
The correct answer is Ferrous sulphate.
Correct answer
D. Ferrous sulphate
Explanation
The correct answer is Ferrous sulphate.
The overall resistance for heat transfer through a series of flat resistance, is the ________ of the resistances?
Molality is defined as the number of gm moles of solute per ________ of solvent?
Pick out the correct statement?
How many molecules per unit cell are there in a face centred cubic lattice?
The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as________?
Phosphatic fertilizer is graded based on its ________ content?