Question

Explain Lavoisier's experiment which provided evidence to the discovery of components in air.​

Answer 1

Answer:

Solution: In an apparatus mercury oxide is heated in the retort, where oxygen gets collected in a bell jar. It was observed that a red layer was formed in the heated mercury surface and the level of mercury rose by ⅕. It was then concluded that the active part of air is removed by mercury on heating was named 'oxygen'.