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5. Transformació de la matèria

Quiz
•
Chemistry
•
8th Grade
•
Hard
Miriam Crespi
Used 15+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • Ungraded
sí
no
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Un canvi _______ s'esdevé quan una substància experimenta qualque transformació que n'altera l'aparença però no la seva naturalesa.
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Un canvi ________ passa quan una substància experimenta una transformació que canvia la seva naturalesa química
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Quan una reacció química es pot produir en tots dos sentits deim que és....
Irreversible
Reversible
tèrmica
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A una reacció hi ha diferents components, el nitrogen N2 és el...
Reactiu
Producte
Reversible
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
El NH3 de la reacció és el ....
Reactiu
Producte
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Quan l'aigua es congela per formar glaçons es produeix un canvi ...
Físic
Químic
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