Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Fe Hg Na Ag Fe Hg Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Alkaline soils Podsols Acidic soils Saline soils Alkaline soils Podsols Acidic soils Saline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [HCO3]– HCI and NaCI [HCO3]– and H2CO3 CI– and [CO3]2– CI– and [HCO3]– HCI and NaCI [HCO3]– and H2CO3 CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium bicarbonate Sand Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate Sand Sand and potassium carbonate Sand and sodium carbonate ANSWER DOWNLOAD EXAMIANS APP