
Examen 2 parcial Residuos líquidos

Quiz
•
Chemistry
•
10th Grade
•
Hard

Beatriz Meza
Used 4+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Capacidad del agua para neutralizar bases o donar protones
pH
Alcalinidad
Acidez
Oxidación
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Tipo de contaminante del agua que causa degradación biológica e incrementa la demanda de oxígeno en cuerpos receptores
Inorgánicos disueltos
Orgánicos refractarios
Nutrientes
Desechos sólidos
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Se determina empleando NaOH con el indicador fenolftaleína
Acidez real
Acidez total
Alcalinidad total
Alcalinidad de fenolftaleína
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
¿Qué tipo de seres vivos aprovechan mejor los nutrientes que entran en el sistema acuático?
peces
bacterias
algas
seres humanos
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
¿Qué ocurre con el pH del agua cuando aumenta la concentración de CO2?
aumenta
disminuye
permanece constante
se neutraliza
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Estas sustancias contribuyen a elevar la concentración de nitratos en agua
Desechos tóxicos
Fertilizantes nitrogenados y amoniaco
Fosfatos
Gases contaminantes
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
¿Por qué método se lleva a cabo la determinación tanto de amonio, nitratos y nitritos?
Espectrofotometría
Gravimétrico
Titulación
Volumétrico
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