Chemistry The graphite rods in the nuclear reactor undergo combustion which triggers the nuclear fission react with U to release energy convert fast moving neutrons into thermal neutrons produce neutrons undergo combustion which triggers the nuclear fission react with U to release energy convert fast moving neutrons into thermal neutrons produce neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in H2O (2) C12O N2O OF2 H2O (2) C12O N2O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Potassium cyanide Zinc oxide Zinc phosphide Lead nitrate Potassium cyanide Zinc oxide Zinc phosphide Lead nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Oxalic acid Salycylic acid Formic acid Acetic acid Oxalic acid Salycylic acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP