DIAGNÓSTICO
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Wanda Andrada
Used 2+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
El siguiente sistema es una ...
Mezcla homogénea de 2 fases y 2 componentes
Mezcla heterogénea de 2 fases y 1 componente
Sustancia pura simple
Ninguna es correcta.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fotosíntesis es...
Una reacción química
Un cambio físico
Una propiedad
Un cambio de estado
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Es materia
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La energía propiciada por los alimentos es ....
Energía eólica
Energía eléctrica
Energía solar
Energía Química
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El oro es una sustancia pura simple
El oro es una sustancia pura compuesta
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El siguiente símbolo "K" corresponde al
Calcio
Sodio
Potasio
Hidrógeno
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una molécula de H2O2 (agua oxigenada) está formada por...
2 átomos de hidrógeno y uno de oxígeno.
2 átomos de hidrógeno y 2 átomos de oxígeno
un átomo de hidrógeno y uno de oxígeno
una molécula de hidrógeno y 2 de oxígeno
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