Question
Give one example each of a salt which gives an aqueous solution having:
  1. pH less than 7
  2. pH equal to 7
  3. pH more than 7

Answer

  1. a. Ammonium chloride, $NH _4 Cl$
    b. Sodium chloride, NaCl
    c. Sodium carbonate, $Na _2 CO _3$

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