ÁCIDOS Y BASES
Quiz
•
Chemistry
•
4th - 12th Grade
•
Medium
Sonia Yaya
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿En qué material el papel de tornasol cambia a rojo?
Lejía
vinagre
tinte para cabello
leche de magnesia
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indicar la base conjugada
HPO42-
H2O
H2PO4-
OH-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si una solución tiene un pH = 5,5 se dice que esta es :
Oxidante
Reductora
Ácida
Básica
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hallar pOH de una solución acuosa 0,08 M de ácido sulfúrico. Dato Log2=0,3
1,1
12,9
8
6
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Según la teoría de Arrhenius, es correcto:
Las bases donan un par de electrones
Se aplica a sólo a soluciones acuosas
El NH3 es una base
Los ácidos liberan iones OH-
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El pH de una solución es 2. ¿Cuál es la concentración del ion OH- en la solución?
10-1
10-2
10-14
10-12
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es el pH de una solución 0,05M de Ca(OH)2?
12
13
1
2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué característica corresponde a una base?
Sabor agrio
Disuelven los metales activos liberando H2
Azulean el papel de tornasol
Presentan pH < 7
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