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  9. Q295

RRB Group D (Level-1 posts) 2022 · Question 295 of 598

In Newlands’ Octaves, the properties of which two elements were found to be the same?

  1. ANa, Mg
  2. BH, Th
  3. CLi, NaCorrect
  4. DCa, Cl

Answer: C. Li, Na

Explanation

In Newlands’ Octaves, lithium (Li) and sodium (Na) were observed to have similar properties, as they fall in the same group according to the octaves.

Source: RRB Group D 2022 Prev. Yr. Paper (17 Aug 2022) (Shift 3) - Prepp · reliable-secondary

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