PREVIEW

... ards.

That is, heating potassium permanganate to collect oxygen.

First, Xu Yun used Old Su's connections to find pyrolusite, a very common ore, which could be found in abundance in Bianjing City. 𝒇𝙧𝙚𝓮𝔀𝓮𝒃𝙣𝓸𝒗𝒆𝒍.𝙘𝒐𝒎

Then it was heated with potassium nitrate, producing potassium manganate.

Next, it was electrolyzed in an alkaline solution with an oxidant.

This way, potassium permanganate was obtained.

Huh?

You ask how the potassiu ...

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