What is the purpose of the sealed jar in Priestley’s experiment?

Question

Responses

to separate the experiment from the rest of the atmosphere so that no matter can be added
to separate the experiment from the rest of the atmosphere so that no matter can be added

to separate the experiment from the rest of the atmosphere so that no light can interfere
to separate the experiment from the rest of the atmosphere so that no light can interfere

to separate the experiment from the rest of the atmosphere so that the plant can live indefinitely
to separate the experiment from the rest of the atmosphere so that the plant can live indefinitely

to separate the experiment from the rest of the atmosphere so that no sound can interfere

Answer 1

The purpose of the sealed jar in Priestley’s experiment is:

to separate the experiment from the rest of the atmosphere so that no matter can be added.

This isolation allows for the observation of how a plant can affect the air quality within the sealed environment, specifically in relation to the presence of oxygen.