Which of the following is called "Lunar Caustic"?

Which of the following is called "Lunar Caustic"?
  1. NaOH
  2. AgCl
  3. AgOH
  4. AgNO3

Solution

Fused silver nitrate, shaped into sticks was traditionally called "lunar caustic". It is used as a cauterizing agent.

Asked in: AP EAMCET 2020 (23 Sep Shift 1)

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