Chemistry The amount of chlorine available in water after disinfection is called as Residual chlorine Free chlorine Free available chlorine Combined available chlorine Residual chlorine Free chlorine Free available chlorine Combined available chlorine 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 The element used for making solar cells is Silicon Calcium Sodium Magnesium Silicon Calcium Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Methane Nitrogen Carbon dioxide Chlorofluorocarbons Methane Nitrogen Carbon dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Free radical Carbocation Carbanion Carbene Free radical Carbocation Carbanion Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of hydrogen atoms in a Glucose molecule 14 12 8 6 14 12 8 6 ANSWER DOWNLOAD EXAMIANS APP