
Chemical Reactions Review Esp
Quiz
•
Science, Chemistry
•
9th - 12th Grade
•
Hard
Andy Lopez
Used 5+ times
FREE Resource
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Está equilibrada la siguiente reacción?
Al + O2 ---> 2Al2O3
Si
No
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Por qué la siguiente reaccion química no está balanceada?
H2 + O2 --> H2O
cada lado de la ecuación tiene un número diferente de átomos de oxígeno
cada lado de la ecuación tiene un número diferente de átomos de hidrógeno
cada lado tiene la misma masa
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cómo se llama la parte izquierda de una ecuación química?
2H2 + O2 --> 2H2O
Reactivos
Productos
Rendimiento
Reaccion quimica
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuántos átomos de aluminio hay a cada lado de la siguiente reaccion? 4Al + 3O2 --> 2Al2 O3
2
6
1
4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cómo se llama la parte derecha de una ecuación química?...
2H2 + O2 --> 2H2O
Reactivas
Productos
Rendimiento
Reaccion quimica
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cuantos oxigeno hay in este quimico?
4Ca(OH)2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Los números pequeños en una fórmula química:
(los números AZULES)
subíndices
Coeficientes
Numeros
Moléculas
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