Question : Which of the following is the main compound of voter ink?
Option 1: Silver nitrate
Option 2: Ammonium chloride
Option 3: Silver chloride
Option 4: Ammonium nitrate
Correct Answer: Silver nitrate
Solution : The correct option is Silver nitrate .
Silver nitrate (AgNO 3 ) is the principal ingredient of voter ink, also known as indelible ink or electoral ink. When silver nitrate is applied to the skin, it combines with the salts, and proteins on the skin's surface, leaving a black stain that is difficult to remove. This helps to maintain the voting process's integrity by clearly identifying individuals who have previously voted.
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