Chemistry The metal used to recover copper from a solution of copper sulphate is Fe Ag Hg Na Fe Ag Hg Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium sulphate Ammonium nitrate Urea Nitro-lime Ammonium sulphate Ammonium nitrate Urea Nitro-lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Combination reaction Decomposition reaction Electrolysis Spontaneous oxidation-reduction reaction Combination reaction Decomposition reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is boiling distillation adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic Weight Mass number Atomic number Neutron number Atomic Weight Mass number Atomic number Neutron number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Bituminous Lignite Coke Anthracite Bituminous Lignite Coke Anthracite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS