Chemistry Normal rainwater is slightly acidic due to the presence of Methane Sulphur dioxide None of these Carbon dioxide Methane Sulphur dioxide None of these Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Helium Nitrogen Argon Neon Helium Nitrogen Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Peroxyacetyl nitrate Sulphur dioxide Nitric oxide Carbon dioxide Peroxyacetyl nitrate Sulphur dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon monoxide Nitrogen Carbon dioxide Neon Carbon monoxide Nitrogen Carbon dioxide Neon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS