Chemistry Which of the following electrodes is used in strongly alkaline solution Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Mercury - mercuric oxide electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Aerate the sewage Remove water content Disinfect the sewage Remove suspended solids Aerate the sewage Remove water content Disinfect the sewage Remove suspended solids ANSWER DOWNLOAD EXAMIANS APP
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 smog is essentially caused by the presence of O2 and N2 O2 and O3 Oxides of N and S O3 and N2 O2 and N2 O2 and O3 Oxides of N and S O3 and N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Iron Bromine Iodine Chlorine Iron Bromine Iodine Chlorine ANSWER DOWNLOAD EXAMIANS APP