Reacciones químicas

Quiz
•
Science
•
University
•
Hard
Yuliana Chaves
Used 4+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Señale la opción que contiene disoluciones que al ser mezcladas producen un precipitado:
NiBr2 y AgNO3
NaI y KBr
K2SO4 y CrCl3
KOH y Ba(OH)2
Li2CO3 y CsI
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes combinaciones de disoluciones generará un precipitado?
MgSO4 y KNO3
CaCl2 y Na2SO4
KCl y NaNO3
NH4Cl y NaOH
NaCl y AgNO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleccione la opción que indica una mezcla que no produce precipitado:
AgNO3 y NaCl
Na2CO3 y CaCl2
BaCl2 y Na2SO4
KNO3 y NaCl
CuSO4 y NaOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique la opción que representa una reacción de precipitación:
H2O + NaCl
NaOH + HCl
Ca(OH)2 + H2SO4
AgNO3 + KCl
Na2SO4 + KNO3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cuando se mezclan disoluciones acuosas de AgNO3 y KI, el AgI precipita. Para esta
reacción la ecuación iónica neta se señala en la opción:
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
De las siguientes parejas de ácido y base, la opción que presenta solo electrolitos fuertes
es:
CH3COOH y Sn(OH)2
H2SO3 y Ca(OH)2
H3PO4 y NH4OH
HClO4 y CsOH
CH3CH2OH y Mg(OH)2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La opción que contiene una reacción en la cual el número de oxidación del oxígeno se incrementa es:
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