Chemistry Which one of the following is most acidic Na2O MgO CaO Al22O3 Na2O MgO CaO Al22O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrite Sodium carbonate Sodium nitrate Sodium bicarbonate Sodium nitrite Sodium carbonate Sodium nitrate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In sugar solution, Both are solutes Sugar is solute, water is solvent Both are solvents Sugar is solvent, water is solute Both are solutes Sugar is solute, water is solvent Both are solvents Sugar is solvent, water is solute ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Alfred Nobel Volta Faraday Bohr and Rutherford Alfred Nobel Volta Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Welding Cooking Mining Anaesthesia Welding Cooking Mining Anaesthesia ANSWER DOWNLOAD EXAMIANS APP