
Cuestionario de Química
Authored by Karla Jiménez
Science
10th Grade
Used 1+ times

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36 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En una clase de química, los estudiantes observan cómo el agua y el aceite no se mezclan. ¿Cuál es el método más adecuado para separar esta mezcla?
Decantación
Filtración
Destilación
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál de las siguientes propiedades es característica de los metales?
Tienen baja conductividad térmica
Son frágiles
Son buenos conductores de electricidad
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Al agregar sal al agua, el punto de ebullición de la solución resultante:
Disminuye
Aumenta
Permanece igual
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un compuesto tiene enlaces iónicos. Esto significa que está formado por:
Moléculas neutras
Iones positivos y negativos
Átomos con enlaces covalentes
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En un laboratorio se combinan agua y cristales de sal. ¿Qué tipo de mezcla se forma?
Heterogénea
Homogénea
Coloidal
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un estudiante observa que el volumen de un gas se reduce al aumentar la presión. Esto se explica por la ley de:
Boyle
Charles
Avogadro
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La electronegatividad es una propiedad que indica:
La capacidad de un átomo para atraer electrones en un enlace
La cantidad de protones en un núcleo
La capacidad de un átomo para perder electrones
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