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  9. Q500

RRB Junior Engineer / DMS / CMA 2024 · Question 500 of 730

If a substance has a pH of 11, which of the following statements is true?

  1. AIt is neutral and does not change the litmus colour.
  2. BIt is basic and can turn red litmus paper blue.Correct
  3. CIt is acidic and can turn blue litmus paper red.
  4. DIt is acidic and does not change the colour of the litmus paper.

Answer: B. It is basic and can turn red litmus paper blue.

Official answer key verified. Detailed explanation coming soon.

Source: Railway Junior Engineer 2024 Answer Key compilation (English) — testranking.in (Gagan Pratap) · reliable-secondary

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