
Cuestionario de Química y Física
Quiz
•
Science
•
4th Grade
•
Medium
alejandro alejandro
Used 2+ times
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39 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La reacción química C + O₂ → CO₂ es:
Espontánea
Indirecta
Reversible
Irreversible
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué cantidad de agua se puede obtener en la reacción H₂ + O₂ → H₂O, una vez que la ecuación esté balanceada?
18 gramos de agua
Un mol de agua
Dos moles de agua
18 mililitros de agua
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es un factor que afecta el equilibrio químico:
Densidad
Concentración
Volumen
Masa
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué función desempeña el ozono (O₃) en la atmósfera?
Libera nitrógeno
Incrementa el nivel de CO₂
Provoca el calentamiento global
Absorbe la radiación ultravioleta
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fuerza intermolecular que se presenta en todas las sustancias, incluso en las no polares?
Puente de hidrógeno
Dipolo-dipolo
Enlace iónico
Fuerzas de dispersión de London
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la propiedad periódica que mide la tendencia de un átomo a atraer los electrones externos de otros átomos?
Electronegatividad
Energía de ionización
Radio atómico
Afinidad electrónica
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A las filas horizontales de la tabla periódica se les conoce como:
Grupos
Familias
Periodos
Bloques
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