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Goryan [66]
3 years ago
8

Borildls03

Chemistry
1 answer:
NISA [10]3 years ago
6 0

Answer:

Mg2+ and Ca2+

Explanation:

Hard water are water that happen to contain salts of calcium and magnesium ions. They can occur as chlorides, sulphates, bicarbonates etc. Hard water wastes soap as it requires an above normal amount to form lathers.

The metallic ions are;

Mg2+ and Ca2+

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