EXAMEN PARCIAL QUIMICA
Quiz
•
Chemistry
•
9th Grade
•
Hard
Aurora Nuño
Used 20+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quebrar un vidrio y congelar agua son ejemplos de....
Cambios químicos
Reactivos
Cambios físicos
Conservación de sustancias
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
La oxidación de un metal y la fermentación de las uvas son ejemplos de
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La efervescencia, el cambio de color y la emisión de luz o calor son manifestaciones de los cambios químicos
Falso
Verdadero
Sólo las dos primeras
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
En una reacción química la sustancias que reaccionan llamadas ______________ se combinan para formar otras diferentes llamadas _________________ .
reactivos
productos
resultantes
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Es la manera simbólica en que se representan las reacciones químicas
Subíndice
Coeficiente
Ecuación química
Balanceo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consiste en equilibrar las cantidades de los reactivos y productos para que se cumpla la "Ley de la Conservación de la Materia"
Coeficiente
Subíndice
Reacción
Balanceo de ecuaciones
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los vinos, el yogurt y el vinagre se obtienen gracias a este tipo de reacciones......
Nuevos materiales
Fermentación
Ingeniería genética
Agronomía
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