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प्रश्न
Mention the contribution of the following scientists :
- Antoine Lavoisier
- Robert Boyle
- Joseph Priestley
- Sir W. Ramsay
उत्तर
- Antoine Lavoisier
Conducted experiments to know the nature of combustion. - Robert Boyle
Discovered a rule about how gases behave - Joseph Priestley
Prepared oxygen by heating red mercuric oxide with infra red rays from Sun and proved that air was not an element. - Sir W. Ramsay
Sir William Ramsay, alongwith Lord Raleigh discovered ar-gon; a noble gas, which is also called as rare gas or inert gas. He also prepared neon, krypton and xenon by distillation of liquid air. In 1910, he discovered radon.
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