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  9. Q25

RRB Technician (Grade I Signal + Grade III) 2024 · Question 25 of 1214

Doubly-charged helium ions are also known as which of the following?

Chemistry - radioactivity

  1. AGamma particles
  2. BX-rays
  3. CBeta particles
  4. DAlpha particlesCorrect

Answer: D. Alpha particles

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 3 GK Questions: 20 Dec, 2024 Shift 2 (testpaper.org compilation) · memory-based

← Q24View full paper (1214 questions)Q26 →

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