Chemistry Which among the following metals provides amphoteric oxide ? Silver Sodium Aluminium Calcium Silver Sodium Aluminium Calcium 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 acid which is secreted by the glands in the stomach wall is Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Thomson Hund Rutherford Sommerfeld Thomson Hund Rutherford Sommerfeld ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Radium Plutonium Zinc Thorium Radium Plutonium Zinc Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Ammonia Amino acids Nitrates Nitrogenase Ammonia Amino acids Nitrates ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS