Hard water is

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

a mixture of $D_{2} O$ and $T_{2} O$

$D_{2} O$

$H_{2} O$ containing certain salts

$T_{2} O$

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Hard water is defined as water that contains calcium and magnesium salts, primarily in the form of bicarbonates, chlorides, and sulphates. There may also contain ferrous iron, which when it oxidises to the ferric form leaves a reddish-brown stain on washed clothes and enamelled surfaces.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th