
pH Alimentos y Digestión
Interactive Video
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
Maricarmen Cantú
Used 2+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Limón
pH ácido
pH alcalino
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tomate
pH ácido
pH alcalino
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Según la escala de pH, ¿qué valor indica una sustancia ácida?
pH = 7
pH < 7
pH > 7
pH = 14
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo cambia el color del jugo de repollo morado cuando se añade una sustancia ácida?
Se vuelve rojo o rosa
Se vuelve verde
Se vuelve azul
Se vuelve amarillo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el principio detrás de usar el jugo de repollo morado como indicador de pH?
Las antocianinas reaccionan con los iones H⁺ y OH⁻, cambiando de color
Las antocianinas se disuelven en soluciones básicas, alterando su color
El pH de la solución cambia la concentración de antocianinas
El color del repollo morado es constante, independientemente del pH
6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
¿Estás disfrutando la lección en vídeo?
Sí
No
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿En qué parte del sistema digestivo suelen disolverse la mayoría de los medicamentos
En el estómago
En el duodeno
En el intestino grueso
En la boca
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