abyalewermias7 abyalewermias7
  • 08-06-2024
  • Chemistry
Answered

7. Which of the following salts is responsible for the hardness of water?
a) Sodium chloride
b) Calcium carbonate
c) Potassium nitrate
d) Iron oxide



Answer :

mnbvcxzlp mnbvcxzlp
  • 08-06-2024
calcium carbonate because calcium and magnesium are main ions responsible for water hardening
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