54. Coating of solid waste with impervious material is known as A.Encapsulation B.Chemical fixation C.Landfill D.Capping
Answer: Option A Solution: Containment of toxic or hazardous constituents in industrial solid wastes is currently being accomplished using: (i) coating grains of waste material with an inert and non-reactive impervious material (microencapsulation), and (ii) coating blocks of waste material with an inert, non-reactive impervious material (macroencapsulation).