Chemistry The metal used to recover copper from a solution of copper sulphate is Na Hg Fe Ag Na Hg Fe Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of None of these Carbon dioxide Sulphur dioxide Methane None of these Carbon dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Magnetite Bauxite Lignite Nitrite Magnetite Bauxite Lignite Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: No spin Opposite spin Same or opposite spin Same spin No spin Opposite spin Same or opposite spin Same spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Bleaching powder Borax powder Alum Soda powder Bleaching powder Borax powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium hypophosphate Calcium phosphate Calcium sulphate Phosphoric sulphate Calcium hypophosphate Calcium phosphate Calcium sulphate Phosphoric sulphate ANSWER DOWNLOAD EXAMIANS APP