Question

$\tt \fbox \green{What \: is \: hard \: water??}$
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Answer 1

Answer:

$\huge\underline\mathtt\red{Answer:}$

• The simple definition of water hardness is the amount of dissolved calcium and magnesium in the water.
• Hard water is high in dissolved minerals, largely calcium and magnesium.
• When hard water is heated, such as in a home water heater, solid deposits of calcium carbonate can form

Explanation:

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Answer 2

Explanation:

• Hard water is water that has high mineral content. Hard water is formed when water percolates through deposits of limestone, chalk or gypsum

• which are largely made up of calcium and magnesium carbonates, bicarbonates and sulfates.

• Hard drinking water may have moderate health benefits