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Easyyyyy plz ................... Permanent hardness of water is caused by dissolved :- A) CaCl B) Ca(HCO3)2 C) Mg(HCO3)2 D) NaOH​
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3 votes
Easyyyyy plz ...................

Permanent hardness of water is caused by dissolved :-
A) CaCl
B) Ca(HCO3)2
C) Mg(HCO3)2
D) NaOH​

User Cethy
by
4.7k points

2 Answers

0 votes

Answer:

Hello!

Your answer is B) Ca(HCO3)2!!

Step-by-step explanation:

Hope this helps you!!

itsMATT04

:>

User Anton Selin
by
4.5k points
4 votes

Answer:

The answer is B

Step-by-step explanation:

User Twan
by
4.5k points
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