Ncert Exercises & Solutions

When zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?

a. $H^{+}$ ions

b. ${Mg}^{2 +}$ ions

c. ${Ca}^{2 +}$ ions

d. ${SO}_{4}^{2 -}$ ions

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

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