Hardness of water is mainly due to the presence of
...Hardness of water is mainly due to the presence of
calcium hydroxide or magnesium hydroxide
calcium trioxocarbonate (IV) or calcium tetraoxosulphate (VI)
sodium hydroxide or magnesium hydroxide
calcium chloride or sodium chloride salts
Correct answer is B
Salts of Calcium and Magnesium are responsible for hardness of water. Bicarbonates, Carbonates, Chlorides and Sulfates of Calcium and Magnesium causes temporary and permanent hardness.
The following compounds decolorize acidified potassium tetraoxomanganate (VII) solution EXCEPT ...
H2(g) + Br2(g) → 2HBr(g) The above reaction is carried out at 25oC. ΔH is -72 kJ mol-1 a...
Which of the following oxides is basic? ...
2-methylprop-1-ene is an isomer of ...
The oxidation number of Fe in [Fe(CN)6]3− is...
Which of the noble gases has the greatest ionization energy ...