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Question

Which of the following is not a salt?


A

Slaked Lime

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B

Zinc Nitrate

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C

Lead Sulphite

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D

Sodium Chloride

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Solution

The correct option is A

Slaked Lime


Explanation for correct option

(A)Slaked Lime

Salt

  • When an acid reacts with a base, a material called salt is formed.
  • A salt is made up of a base's positive ion (cation) and an acid's negative ion (anion).

Slaked Lime

  • The formula for slaked lime is Ca(OH)2.
  • It is calcium hydroxide.
  • It is a base.

Explanation for incorrect option

(B)

  • Zinc NitrateZn(NO3)2 is a salt of ZnOH2, and HNO3.

(C)

  • Lead sulphatePbSO4 is a salt of PbOH2 and H2SO4

(D)

  • Sodium chlorideNaCl is a salt.
  • It is a salt of sodium hydroxideNaOH, and Hydrogen chlorideHCl.
  • Hence, options (B), (C), and (D) are incorrect.

Hence, option (A) is correct. Slaked lime is not a salt.


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