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Question

Acid turn blue litmus :
  1. red
  2. green
  3. orange
  4. yellow

A
green
B
orange
C
red
D
yellow
Solution
Verified by Toppr

It is a general property of all the acids to to turn the blue litmus paper red and the red litmus paper remains unaffected.
This happens due to the acidic nature of the acids.
Hence the correct answer is option (B).

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