Who recognised the elements carbon, hydrogen and oxygen and opposed the phlogiston theory by discovering the role of oxygen in combustion and respiration?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Antoine Lavoisier.
- Antoine Laurent Lavoisier, a French chemist, is considered to be the “father of modern chemistry”.
- He is most noted for his discovery of the role oxygen plays in combustion Antoine Lavoisier was a French Chemist who discovered that air is responsible for combustion and the source of acidity.
- In June 1783, Lavoisier reacted oxygen with inflammable air, obtaining "water in a very pure state." He correctly concluded that water was not an element but a compound of oxygen and inflammable air, or hydrogen as it is now known.