
Reacciones químicas
Authored by Iriome Monedero Melián
Chemistry
1st - 12th Grade
NGSS covered
Used 66+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿En qué lado están los reactivos en una reacción?
A la derecha
A la izquierda
En ambos lados
En el centro
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que se produzca una reacción...
se deben romper los enlaces de los productos
se deben formar los enlaces de los reactivos
deben chocar las moléculas de los productos
deben romperse los enlaces de los reactivos
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La reacción: 2 CO + O2 --> 2CO2
No está ajustada
Está ajustada
Es endotérmica
Es de descomposición
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál es el ajuste de la reacción H2 + O2 --> H2O?
H2 + 2O2 --> 2H2O
H2 + 2O2 --> H2O
2H2 + O2 -->2 H2O
2H2 + 2O2 --> 2H2O
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En la reacción 2 CO --> O2 + 2 C se han puesto 20 g de CO
luego se obtienen 20 g de O2 y 20 g de C
luego se obtienen 15 g de O2 y 5 g de C
luego se obtienen 5 g de O2 y 5 g de C
no se obtiene nada
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una reacción de combustión se da entre un compuesto orgánico y el oxigeno
FALSO
VERDADERO
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La ecuación coincide con la representación molecular de la reacción
FALSO
VERDADERO
Tags
NGSS.HS-PS1-2
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