Question

Both cation and anion impurities can be removed from hard water by using?​

Answer 1

Explanation:

Standard water softeners found in home supply and hardware stores will remove nearly all the calcium and magnesium from the raw water during the softening process. Softeners also will remove up to 10 parts per million (ppm) of iron and manganese. Water supplies with high levels of iron and manganese (greater than 10 ppm) may need pretreatment to prolong the lifespan of a water softener.

Answer 2

Both cation and anion impurities can be removed from hard water by using the synthetic resins method.

• The synthetic resins method is a method used to remove the permanent hardness of the water.
• It removes all the cations and anions together from the water.
• To make water softer it is used more widely.
• It is generally a combination of a hydrogen atom, carbon atom, and a small quantity of oxygen atom with a sulfur atom.
• The main motive for these is to make ion exchanger resin, be it a cation exchanger or anion exchanger.

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