Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Helium Neon Argon Nitrogen Helium Neon Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The liquid waste from kitchens and baths, of residences is known as : Domestic sewage Sullage Refuse Storm water Domestic sewage Sullage Refuse Storm water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an oxidation reaction a condensation reaction an elimination reaction an addition reaction an oxidation reaction a condensation reaction an elimination reaction an addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Exothermic reaction Endothermic reaction Physical change Photochemical reaction Exothermic reaction Endothermic reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of Gammaxane is Chloro benzene Toluene Aniline Benzene hexachloride Chloro benzene Toluene Aniline Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of periodic table of contents atomic structure metallurgy discovery of elements periodic table of contents atomic structure metallurgy discovery of elements ANSWER DOWNLOAD EXAMIANS APP