Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is fluorine oxygen sodium bromine fluorine oxygen sodium bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 238 330 92 146 238 330 92 146 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin B None of these Vitamin D Vitamin C Vitamin B None of these Vitamin D Vitamin C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Sodium chloride Silver iodide Silver chloride Silver bromide Sodium chloride Silver iodide Silver chloride Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Hydration Carbonation Oxidation Desilication Hydration Carbonation Oxidation Desilication ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS