Chemistry An example of major air pollutant is Carbon monoxide Carbon dioxide Oxygen Helium Carbon monoxide Carbon dioxide Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Exothermic reaction Photochemical reaction Endothermic reaction Physical change Exothermic reaction Photochemical reaction Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyamide Acrylic Polyolefin Polyester Polyamide Acrylic Polyolefin Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer PH meter Ammeter Acidmeter Hygrometer PH meter Ammeter Acidmeter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Erythrocyte Oocyte Lymphocyte Spermatozoan Erythrocyte Oocyte Lymphocyte Spermatozoan ANSWER DOWNLOAD EXAMIANS APP