"Ecuaciones Químicas" QUÌMICA 2ºB.G.UIP.IQ.

Quiz
•
Chemistry
•
2nd Grade
•
Medium
Dr. Herrera
Used 6+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*Verdadero o Falso
-Las reacciones química producen energía liberando o absorbiendo luz y calor.
Verdadero
Falso
Ninguno.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*Seleccione:
-Toda reacción química se representa por medio de:
Reacción
Ecuación
Cambio químico.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*Complete:
-Las sustancias que experimentan cambios en una ecuación química se llama___________________.
Reactivos o reactantes
Reactivos o productos.
Productos o resultantes.
Productos o reactantes.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*Seleccione:
-Elementos que se igualan al final en ecuaciones químicas.
Metales
No metales
Hidrógeno y oxígeno.
Oxígeno e hidrógeno.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*Verdadero o falso:
-Los cambios químicos llegan acompañados de un cambio de color, humo, energía.
Verdadero
Falso
Ninguno
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*Observe el gráfico y seleccione lo correcto.
- Los juegos pirotécnicos es producto de:
Cambios químicos
Reacciones químicas.
Reacciones en cadena.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*Seleccione:
-El nombre correcto de los siguientes compuestos.:
Al2(SO4)3 H3PO4 Cu(NO3)2
Sulfato de aluminio - ácido fosforoso - nitrato cuproso.
Sulfato de aluminio - ácido fosfórico - nitrato cúprico.
Sulfato de aluminio - áciso hipo fosforoso nitrato cuproso
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