1. The advantages of hard water are: (a) It tastes better. (b) It gives Ca²⁺ which is important for healthy growth of bones and teeth. (c) Usage of hard water results in the formation of scale on the pipelines, which prevents water from coming in contact with the iron pipe and thus prevents corrosion.

    The advantages of hard water are:
    (a) It tastes better.
    (b) It gives Ca²⁺ which is important for healthy growth of bones and teeth.
    (c) Usage of hard water results in the formation of scale on the pipelines, which prevents water
    from coming in contact with the iron pipe and thus prevents corrosion.

    See less
    • 6