railway RRB JE (CBT I + CBT II) Mock Test 2024 General Science Biology Invention and Discoveries

In 1898, which one of the following chemist discovered neon by cooling a sample of air to a liquid state, heating the liquid and capturing gases upon boiling?

1

John William Strutt

2

Pierre Jansen

3

William Ramsay

4

Earns Dorn

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