Chemistry The gas dissolved in water that makes it basic is : Sulphur dioxide Ammonia Hydrogen Carbon dioxide Sulphur dioxide Ammonia Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by White ants Cockroaches Red ants Mosquitoes White ants Cockroaches Red ants Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Silver Sodium Calcium Aluminium Silver Sodium Calcium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Aquatic plants Crop residues Animal wastes Forest residues Aquatic plants Crop residues Animal wastes Forest residues ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Volta Faraday Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford ANSWER DOWNLOAD EXAMIANS APP