Cambios físicos y químicos

Quiz
•
Science
•
2nd Grade
•
Medium
Victoria Vent
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Derretir un helado es un cambio
Fisico
Químico
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las sustancias que se obtienen luego de una reacción química se llaman
Reactivos
Productos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Luego de una reacción química se puede formar un sólido que decanta al fondo del recipiente llamado
Cristal
Precipitado
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando una reacción química libera energía se las llaman
Endotermicas
Exotermicas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al descomponerse el agua oxigenada se libera un gas . Cuál es?
Dióxido de carbono
Hidrógeno
Oxígeno
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al poner una manzana en un recipiente con limón evitamos que se oxide porque el medio es
Alcalino
Ácido
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si a partir de una sustancia se obtienen dos sustancias diferentes es una reacción de
Descomposición
Combinación
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