Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Lithium Cadmium Sodium Potassium Lithium Cadmium Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Sulphate Calcium Carbonate Calcium Cyanide Calcium Carbide Calcium Sulphate Calcium Carbonate Calcium Cyanide Calcium Carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand Sand and potassium carbonate Sand and sodium bicarbonate Sand and sodium carbonate Sand Sand and potassium carbonate Sand and sodium bicarbonate Sand and sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford Volta Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Opposite spin Same spin No spin Same or opposite spin Opposite spin Same spin No spin Same or opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Africa India Europe Antarctica Africa India Europe Antarctica ANSWER DOWNLOAD EXAMIANS APP