What ions are present in the solutions of following substances? (write the symbols only)
(i) Hydrochloric acid
(ii) Nitric acid
(iii) Sulphuric acid
(iv) Sodium hydroxide
(v) Potassium hydroxide
(vi) Magnesium hydroxide

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Solution

The ions present in the solutions of the following substances are given below.
(i) Hydrochloric acid, HCl = H⁺ and Cl^-ions
(ii) Nitric acid, HNO₃ = H⁺ and NO₃^- ions
(iii) Sulphuric acid, H₂SO₄ = 2H⁺ and SO₄^- ions
(iv) Sodium hydroxide, NaOH = Na⁺ and OH^- ions
(v) Potassium hydroxide, KOH = K⁺ and OH^- ions
(vi) Magnesium hydroxide, Mg(OH)₂ = Mg²⁺and 2OH^- ions

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