Chemistry Solder metal is an alloy of Lead and tin Copper and zinc Copper and tin Lead and antimony Lead and tin Copper and zinc Copper and tin Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Salt Lactic acid Vinegar Citric acid Salt Lactic acid Vinegar Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Ethyl alcohol Propyl alcohol Glycerol Methyl alcohol Ethyl alcohol Propyl alcohol Glycerol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The combination of oxygen molecules The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is CH4 O2 Ar Ar N2 N2 CH4 O2 Ar Ar N2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Zinc Sulphur Nickel Chromium Zinc Sulphur Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP