Chemistry Among the following, carbonate ore of Zinc is Calamine Zincblende Sphalerite Zincite Calamine Zincblende Sphalerite Zincite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 5x x/6 7.2 x 5x/36 5x x/6 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Physico-chemical characteristics of water in water sources undergo changes due to Evapotranspiration Auatic fungi Aquatic macrophytes Effluents Evapotranspiration Auatic fungi Aquatic macrophytes Effluents ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Sulphur dioxide Nitrous oxide Arsine Ammonia Sulphur dioxide Nitrous oxide Arsine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Arsenic Antimony Phosphorus Aluminium Arsenic Antimony Phosphorus Aluminium ANSWER DOWNLOAD EXAMIANS APP