
TRANSFORMATIONS CHIMIQUES
Authored by Christine MORTAGNE
Chemistry
10th Grade
Used 109+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"Les substances, présentes au début d'une transformation chimique, qui disparaissent lors de celle-ci sont les ......"
Produits
Réactifs
Atomes
Substances
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Le test qui permet de mettre en évidence la présence de dioxyde de carbone est:
Le test au sulfate de cuivre
Le test à l'eau de chaux
Le test à la soude
Le test à la flamme
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Le chimiste qui a, en premier, énoncé la loi de conservation de la matière est:
Lavoisier
Archimède
Galilée
Einstein
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Lors d'une transformation chimique, .....
(cocher toutes les réponses possibles)
La masse se conserve
Des éléments apparaissent
Les espèces chimiques se transforment
Les éléments se conservent
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Brûler un papier est une transformation...
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Le coefficient stœchiométrique manquant est:
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cette équation chimique est équilibrée.
Oui
Non
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