Write the answers for the following assignment:
Chemical reaction

1. Look a video about reactions that changed history
https://www.youtube.com/watch?v=jb4CMnT2-ao

* What do you think, which of these was the most important discovery?
* Do you think they are missing a reaction? If yes, which one?

2. Check the video about NAME_1’s and Köpi’s experiments.
https://www.youtube.com/watch?v=vPyMGliIUFE

* What do you consider to be the coolest one?
* What do you think, could we do all these experiments in chemistry lessons?
* If not, why?
 Provide your response in exactly 5 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
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