Chemistry Supersonic jet causes pollution by thinning of O 2 layer SO2 layer O3 layer CO2 layer O 2 layer SO2 layer O3 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Suspended solids Oil and fatty substances Gritty substances Inorganic substances Suspended solids Oil and fatty substances Gritty substances Inorganic substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Nickel Copper Zinc Silver Nickel Copper Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The liquid waste from kitchens and baths, of residences is known as : Storm water Refuse Domestic sewage Sullage Storm water Refuse Domestic sewage Sullage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Sulphur dioxide Carbon dioxide Methane Carbon monoxide Sulphur dioxide Carbon dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
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