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# The two ions responsible for hardness in water are

### Question

The two ions responsible for hardness in water are

### Options

A) Ca$$^{2+}$$ and / or Mg$$^{2+}$$

B) K$$^+$$ and / or Mg$$^{2+}$$

C) Ca$$^{2+}$$ and / or Li$$^+$$

D) Ca$$^{2+}$$ and / or Na$$^+$$

### Explanation:

Hardness of water is caused by the presence of calcium and magnesium ions ....

Explanation provided by King Israel

## Dicussion (1)

• Hardness of water is caused by the presence of calcium and magnesium ions ....