SM 1 (:
Quiz
•
Chemistry
•
1st - 12th Grade
•
Hard

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A menor dispersión de luz corresponde una mayor turbiedad, ¿Esto es cierto o falso?
Cierto
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Variable que se utiliza como referencia para determinar la calidad del agua.
Patrón de trabajo
Trazabilidad
Parámetro
Variable de calidad
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué significa UNT en turbidez?
Universidad Nacional de Tamaulipas
Unidades nefelométricas de turbiedad
Unidades nanométricas de turbidez
Ufología Narguile de Turbiedad
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Norma mexicana encargada de la determinación en campo y en el laboratorio de la turbiedad en muestras de agua.
NMX-AA-038-SCFI-2000
NMX-AA-038-SCFL-2001
NMX-AA-045-SCFI-2001
NMX-AA-038-SCFI-2001
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Temperatura a la que se debe preservar la muestra hasta su análisis.
0°C
4°C
-4°C
267.4°K
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Según la norma mexicana NMX-AA-045-SCFI-2001, ¿Cuál es el tiempo máximo de almacenamiento previo al análisis ?
48 horas
24 horas con 38 minutos
16 horas
5 días
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Equipo de laboratorio que se tiene en común entre las 2 normas mexicanas.
Tubos Nessler
Hexacloroplatinato de potasio
Turbidímetro
Balanza analítica con precisión de 0,1 mg
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