Reazioni chimiche e stechiometria
Quiz
•
Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Hard
Used 69+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In una reazione chimica bilanciata non è corretto affemare che:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se una reazione ha avuto una resa percentuale del 98,5%, ciò significa che:
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quale delle seguenti reazioni non è bilanciata correttamente?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale reazione tra le seguenti descrive la formazione di un precipitato?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si ha equilibrio chimico quando
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Lo ione cerio nella semireazione Ce4+ → Ce3+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il vanadio nella semireazione VO2+ → VO3-
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