Hello,
Today Andy gave us back our tests corrected. I hope everybody got a good grade.
After that, we started the new topic. We also did an amazing experiment: we got a little piece of sodium and threw it a big glass bottle with some water in it. It started fizzing. Andy, then, covered the bottle so that the hydrogen produced didn't escape. We then litted it with a match. A flat flame appeared going downwards inside the bottle and it made a very strange squeak which longed for more than a second. It longed much more than the hydrogen we did reacting a metal with an acid as we produced much more hydrogen.
Bye.
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