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  9. Q578

RRB Group D (Level-1 posts) 2022 · Question 578 of 598

An element A reacts with water to form a solution, which turns phenolphthalein solution pink. Element A is most likely to be _______.

  1. AS
  2. BMgCorrect
  3. CAg
  4. DC

Answer: B. Mg

Explanation

Magnesium (Mg) reacts with water to produce an alkaline solution, which turns phenolphthalein pink.

Source: RRB Group D 2022 Prev. Yr. Paper (22 Aug 2022) (Shift 1) - FreshersNow · reliable-secondary

← Q577View full paper (598 questions)Q579 →

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