Class 11 Chemistry Hydrogen Water or hydride of oxygen

Easy

Which of the following ions will cause hardness in water?

KCET 2018 All KCET

A
$Ca^{2+}$
B
$Na^{+}$
C
$Cl^{-}$
D
$K^{+}$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Hydrogen

Subtopic

Water or hydride of oxygen

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