Chemistry The amount of chlorine available in water after disinfection is called as Free available chlorine Combined available chlorine Residual chlorine Free chlorine Free available chlorine Combined available chlorine Residual chlorine Free chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of H2 CH4 N2 CO2 H2 CH4 N2 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Argon Helium Hydrogen Neon Argon Helium Hydrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Pollutant gas, present in air Suspended solid particles in air Microbes, present in air Green house gas present in air Pollutant gas, present in air Suspended solid particles in air Microbes, present in air Green house gas present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Neon Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Thorium Zinc Plutonium Radium Thorium Zinc Plutonium Radium ANSWER DOWNLOAD EXAMIANS APP