Question

who performerd swan neck flask experiment?​

Answer 1

Answer:

Louis Pasteur

Louis Pasteur devised the experiment illustrated above. He heated an infusion sealed in a vessel with a S-shaped or "Swan neck", let it cool, and then broke of the tip of the vessel. This allowed fresh air to enter, but any particulate matter was trapped in the bend of the neck.

Answer 2

Answer:

Pasteur

Pasteur had finally identified what causes infectious disease and why it spreads. Pasteur conducted a now infamous experiment in which he used a glass flask with an S shaped neck, such as the one pictured. This S shaped flask became known as the 'swan neck flask'.

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