Reacciones químicas

Quiz
•
Chemistry
•
9th Grade
•
Hard

Ana Cristina Lapeña Royo
Used 4+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los subindices en la ecuación química representan:
número de moléculas
la cantidad de reactivos
la cantidad de átomos
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuántos átomos de oxígeno hay en el peryodato de bario, Ba(IO4)2?
4
2
6
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De los siguientes fenómenos, uno NO es reacción química
Fermentación
Evaporación
Oxidación
Combustión
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es la masa molecular del amoniano, NH3? N=14u, H=1u
17u
17g
17
16u
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