The chemicals used to soften hard water involves the addi...
The chemicals used to soften hard water involves the addition of
insoluble sodium compounds which from soluble solutions of calcium and magesium
solube soudium compounds which from soluble solutions of calcium and magnesium ions
solube sodium compounds which from insoluble precipitates of calcium and magnesium ions
insoluble precipitates of calcium and magnesium ions
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about elements in Group VII is correct? ...
Which of the following metals does NOT form a stable trioxocarbonate (IV)? ...
What is the atomic number of Lithium? ...
2-methylbut-2-ene has the structure ...
The solubility in moles per dm3 of 20g of CuSO4 dissolve in 100 of water at 180°C is? (Cu = 63.5...
Nuclear fission involves the splitting of a heavy element into two nuclei of ...
Which of the following species does not contain a co-ordinate bond? ...