Chemical Process - Practice Test

(A) Removal of fatty and albuminous substance from it

(B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

(C) Inhibiting the growth of micro-organisms without killing them

(D) None of these

(B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

(A) 0.14

(B) 0.34

(C) 0.94

(D) 1.4

(C) 0.94

(A) Slow sand filters can remove colour completely

(B) Activated carbon can be used for taste & odour control without subsequent filtration

(C) Application of activated carbon reduces the temporary hardness of water

(D) Normally, the turbidity is removed by adding a coagulent prior to sedimentation

(D) Normally, the turbidity is removed by adding a coagulent prior to sedimentation

(A) Aeration of water is effective in CO 2 removal

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

(C) Sodium sulphate or sodium carbonate do not cause hardness in water

(D) Water with pH value less than 7, is acidic

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

(A) Employs addition polymerisation

(B) Employs condensation polymerisation

(C) Is a monomer

(D) Is an abrasive material

(B) Employs condensation polymerisation

Chemical Process - Study Mode