
Prueba inicial 4ºESO
Authored by sergio muñoz
Chemistry
3rd Grade
Used 3+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál NO es una etapa del método científico?
Realizar una hipótesis
Analizar los resultados
Falsear datos
Diseñar un experimento
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un factor de conversión se utiliza para...
Simplificar números
Cambiar de unidades
Cambiar de magnitudes
Obtener respuestas inútiles
3.
DRAW QUESTION
5 mins • 1 pt
¿Cuántos km/h son 25m/s? Realiza el factor de conversión teniendo en cuenta que:
1km=1000m
1h=3600s

4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
300000000=
3*10-9
3*109
3*10-8
3*108
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué modelo atómico es el representado en la imagen?
Modelo atómico de Thomson o modelo del pudding de pasas
Modelo de Rutherford
Modelo de Bohr
Modelo de Dalton
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la masa molecular del dióxido de carbono sabiendo que la masa del carbono es 12u y la del oxígeno 16u
28u
44u
40u
32u
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La masa molar de un compuesto es...
La masa de un mol de ese compuesto
La masa de una molécula
La masa de un átomo
La masa de algo que mola
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