How is the concentration of hydronium ions (H₃O⁺) affected when a solution of an acid is diluted?

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TextDilution of Acids and Bases

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When a small amount of acid is added to water, the phenomena which occur are: (a) Dilution (b) Neutralisation (C) Formation of H₃O⁺ ions (d) Salt formation The correct statements are:

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Rohan want to dilute an acid, but he is confused. Out of the two pictures given below, which one (A or B) shows the correct method of diluting an acid. Justify your answer.

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Dilution of Acids and Bases

Exothermic Nature of Mixing Acid with Water

Suggest a safe procedure of diluting a strong concentrated acid.

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Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.

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Dry HCl gas does not change the colour of dry blue litmus paper. Why ?

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Assertion (A) : It is advised that while diluting an acid one should add water to acid and not acid to water keeping the solution continuously stirred. Reason (R) : The process of dissolving an acid into water is highly exothermic.

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