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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