
Grade 11Inorganic Chemistry
The temporary hardness of water is due to :-
(1) Ca(HCO3)2 (2) NaCl
(3) Na2SO4 (4) CaCl2
The temporary hardness of water is due to :-
(1) Ca(HCO3)2 (2) NaCl
(3) Na2SO4 (4) CaCl2
(1) Ca(HCO3)2 (2) NaCl
(3) Na2SO4 (4) CaCl2




