Chemistry Maximum permissible concentration of total hardness in drinking water is 200 50 500 100 200 50 500 100 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin B None of these Vitamin C Vitamin D Vitamin B None of these Vitamin C Vitamin D ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which turns into liquid at the lowest temperature among the following is Helium Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Volcanic eruptions Aviation fuels Chlorofluorocarbons Radioactive rays Volcanic eruptions Aviation fuels Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Fertilizers Petrochemicals Cement Aluminium Fertilizers Petrochemicals Cement Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Distilled water Sea water Rain water River water Distilled water Sea water Rain water River water ANSWER DOWNLOAD EXAMIANS APP