Hardness in water can be removed by adding
...Hardness in water can be removed by adding
copper (ll) tetraoxosulphate (IV)
sodium trioxocarbonate (IV)
sodium chloride
alum
Correct answer is B
No explanation has been provided for this answer.
The metal that will react with water only in the form of steam to librate hydrogen gas is? ...
The mass of one mole of \((NH_{4})_{2}CO_{3}\) is [O=16.0, N=14.0, C=12.0, H=1.0]...
Which of the following is an acidic salt? ...
Which of the following metals does NOT form a stable trioxocarbonate (IV)? ...
The following salts dissolve readily in cold water except...