El reactivo de Fehling se divide en las soluciones A y B, la coloración que se produce al calentarlo y usarlo con azúcares se debe a que contiene
M1. S2

Quiz
•
Specialty
•
12th Grade
•
Medium
Patricia Pérez
Used 2+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Co
Au
Cu
Ca
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
18 g
10 g
21 g
15 g
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De las siguientes imágenes, selecciona 3 que se puedan encontrar en la hoja de seguridad del HCl
2, 6, y 3
4, 3, 2
4, 1 y 2
5, 1 y 3
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
En el laboratorio encontramos identificadas de amarillo las tuberías que llevan _____ y de verde las que transportan _____
agua, gas
gas, drenaje
gas, agua
agua, drenaje
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Las soluciones buffer o de _________ se utilizan para conocer la precisión del potenciometro antes de su uso y corregir así las mediciones tomadas
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En la cromatografía ________ es la responsable de la separación de las sustancias conforme avanza el tiempo
la solubilidad
la fase estacionaria
el índice de retención
la polaridad
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En las reacciones de neutralización no es necesario utilizar un indicador, esto es
Cierto
Falso
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