Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Nitrogen Helium Hydrogen Argon Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its chemical inertness presence of free electrons its high density its high polishing its chemical inertness presence of free electrons its high density its high polishing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is hard It is colourless It is pure Its refractive index is high It is hard It is colourless It is pure Its refractive index is high ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Citric acid Lactic acid Salt Vinegar Citric acid Lactic acid Salt Vinegar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals Halogens ANSWER DOWNLOAD EXAMIANS APP