1805, si Er of French carry out is besmearing with the club of thick chloridize acerbity Potassium goes dipping in vitriolic, make both encountering produce chemical reaction and on fire.

 
  • 1805年,法国人践斯耳用一根涂着浓氯化酸钾的木棍去蘸硫酸,使两者相遇发生化学反应而起火。
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