Chemistry Normal rainwater has a pH level of 3.2 6.3 5.6 8.3 3.2 6.3 5.6 8.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyester polymer Polysaccharide Polyvinyl polymer Polyamide polymer Polyester polymer Polysaccharide Polyvinyl polymer Polyamide polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Carcinogens Allergens Asthematic agents None of these Carcinogens Allergens Asthematic agents None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloidal solution of Solid in liquid Gas in solid Solid in Solid Liquid in liquid Solid in liquid Gas in solid Solid in Solid Liquid in liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Evaporation Sublimation Distillation Decantation Evaporation Sublimation Distillation Decantation ANSWER DOWNLOAD EXAMIANS APP