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SSC CGL 2019 PYQ — Question 30

SSC CGL - 10th June 2019 - Shift 1 • General Awareness • Q30

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Who among the following gave the 'Law of Octaves'?

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Correct answer: C

Explanation

The correct answer is option 3 i.e. Newlands.

Who among the following gave the 'Law of Octaves'?        

Newlands    

What is Law of octaves?   
  • The law of octaves states that every eighth element has similar properties when the elements are arranged in the increasing order of their atomic masses.
  • Newland’s law of octaves held true only for elements up to calcium. Elements with greater atomic masses could not be accommodated into octaves.