Chemistry The metal does not give H2 on treatment with dilute HCL is Ca Fe Zn Ag Ca Fe Zn Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of sulphonic acids Sodium salts of fatty acids None of these Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids None of these Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type None of these Powder type Soda acid type Foam type None of these Powder type Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Troposphere Stratosphere Exosphere Ionosphere Troposphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is distillation adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by NO2and particulates SO2 and NO2 SO2 and particulates CO2and CFCs NO2and particulates SO2 and NO2 SO2 and particulates CO2and CFCs ANSWER DOWNLOAD EXAMIANS APP