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  9. Q148

RRB Junior Engineer / DMS / CMA 2019 · Question 148 of 3719

A substance X turns the colour of red litmus blue, and it will change methyl orange-

General Science - Miscellaneous

  1. Aa. YellowCorrect
  2. Bb. Colourless
  3. Cc. Red
  4. Dd. Pink

Answer: A. a. Yellow

Explanation

A Base is a substance that is bitter in taste and turns red litmus paper into Blue. • Indicator properties of bases: Indicator-Colour changes Red Litmus paper -Turns Blue Methyl orange-From orange to yellow Phenolphthalein-from colourless to pink

Source: RRB JE 2019 CBT-1 (24-May-2019 Shift-1) — ixambee compilation with answer key and solutions · reliable-secondary

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