Hardness in water is NOT caused by \_\_\_\_\_\_ | Environmental Chemistry | SolveeIt | Solveeit

Today, August 18

Question

Hardness in water is NOT caused by ______

A

$Ca^{2+}$

B

$Si^{2+}$

C

$Mg^{2+}$

D

$CO^{2-}$

Answer

$CO^{2-}$

Explanation

Solution

The correct answer is (C) : 6