Hardness of water is due to the presence of salts of

  • A
    $Na^{+}$ and $K^{+}$
  • B
    $Ca^{2+}$ and $Mg^{2+}$
  • C
    $Ca^{2+}$ and $K^{+}$
  • D
    $Ca^{2+}$ and $Na^{+}$

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Similar Questions

Hydrolysis of which of the following compounds liberates an acidic gas?

Identify the incorrect statement regarding heavy water $(D_2O)$.

Describe methods to remove the temporary hardness of water: $(i)$ Boiling $(ii)$ Clark's method.

Observe the following statements:
$1.$ Heavy water is harmful for the growth of animals.
$2.$ Heavy water reacts with $Al_4C_3$ and forms $\text{deuterated acetylene}$.
$3.$ $BaCl_2 \cdot 2D_2O$ is an example of $\text{interstitial deuterate}$.
The correct statements are:

The products formed when heavy water is reacted with magnesium nitride are:

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