Drinking water mainly contains small amounts of salts of _____ , _ and ______ metals.

Sodium (Na)

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2. Magnesium (Mg) , 3. Calcium (Ca)

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Solution

Drinking water mainly contains small amounts of salts of Sodium (Na), Magnesium (Mg), and Calcium (Ca).
These all are metals.
When natural water flows over the rocks containing chlorides, sulfates, and Nitrates of Calcium and magnesium, these salts dissolve in water.
Magnesium (Mg) and Calcium (Ca) present in drinking water help to fight against gastric, pancreatic cancer, and many other diseases.
Sodium also plays important role in the biological process occurring inside the living body.

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Drinking water mainly contains small amounts of salts of ___________ , ___________ and __________ metals.

Drinking water mainly contains small amounts of salts of _____ , _ and ______ metals.