?
17 Transformation chimique ou pas ?
Pratiquer des démarches scientifiques
Arbya voudra...
![subject](/tpl/images/cats/fizika.png)
Physics, 04.05.2021 22:50 connie2168
?
17 Transformation chimique ou pas ?
Pratiquer des démarches scientifiques
Arbya voudrait expliquer à son frère que
la coloration prise par le toast correspond
à une transformation chimique alors que
ce n'est pas le cas du beurre qui fond.
Quel argument peut-elle donner ?
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