Which one of the given is true, if a substance has a pH value of 4?

Which one of the given is true, if a substance has a pH value of 4?

Q. Which one of the given is true, if a substance has a pH value of 4?

  1. The substance is a base
  2. The substance is an acid
  3. The substance is a neutral substance
  4. Either (1) or (2)

Answer: The substance is an acid

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