
Reacciones Químicas
Authored by sergio muñoz
Chemistry
9th Grade
Used 12+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desde el punto de vista microscópico, las reacciones químicas ocurren por las colisiones entre los reactivos, de forma que siempre que las moléculas o átomos colisionen se forman los productos
Falso
Verdadero
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una disolución es
Un cambio físico
Un cambio químico
Una reacción química
nada de lo anterior
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
En una reacción química, los ............ se combinan para dar lugar a los productos
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
En una reacción redox (selección múltiple)
Una sustancia se oxida
Una sustancia se reduce
Ninguna sustancia se oxida
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La energía de activación es la energía ......... mínima que tienen que tener las partículas que colisionan para formar el complejo activado
Nuclear
Potencial
Cinética
No sé/no contesto
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Señala cuál es una función de estado
Entalpía
Calor de reacción
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una reacción de ácido-base se produce agua y
Base
Sal
Ácido
átomo
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