What is meant by 'demineralised water'and how it can be obtained ?
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Demineralised water is free from all soluble mineral salts. It does not contain any anions or cations. Demineralised water is obtained by passing water successively through a cation exchange (in the H+ form) and an anion exchange (in the OH– form) resin. demineralized water is obtained by passing water successively through a cation exchange and an anion exchange resins in cation exchanger, Ca² ⁺, Mg²⁺,Na⁺ and other present cation in water are removed by exchanging with H⁺ ions while in anion exchanger, Cl⁻,HCO₃⁻,SO₄²⁻ etc, present in water are removed by exchanging them with OH⁻ ions
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Answer:demineralised water is water devoid of cations and anions ,it can be obtained from synthetic resins method
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