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GK QUESTION#3203

When the litmus solution is neither acidic nor basic, its colour is ______.

  1. Agreen
  2. Bred
  3. CpurpleCorrect answer
  4. Dblue
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Answer

C. purple

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Explanation

Neutral litmus solution is purple. Acidic solutions turn blue litmus red; alkaline solutions turn red litmus blue. Litmus is a mixture of dyes obtained from lichens.

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