Question

question 9 (1 p) listen who among the following scientists discovered oxygen, carbon dioxide and laughing gas (nitrous oxide) 1) antoine lavoisier 2) alessandro volta 3) joseph priestley 4) c.w. scheele

Explanation:

Joseph Priestley discovered oxygen, carbon - dioxide, and nitrous oxide. Antoine Lavoisier is known for naming oxygen and for contributions to the law of conservation of mass. Alessandro Volta is known for the voltaic pile (an early electric battery). C.W. Scheele also discovered oxygen independently but Priestley is credited with the discovery of the mentioned gases in the context of this question.

Answer:

1. Joseph Priestley