
Ptos extras 2do parciaol-O23
Authored by Sandbll Sandbll
Chemistry
University
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16 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 2 pts
En una disolución el componente que se encuentra en mayor proporción es el____________ mientras que el que está en menor proporción se denomina __________
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dice que las sustancias que se disocian parcialmente en agua son:
Electrolitos fuertes
Electrolitos débiles
No electrolitos
Disolventes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dice de la sustancia que se disuelve en agua pero no se disocia en iones
Electrolito fuerte
Electrolito débil
No electrolito
Sólido insoluble
4.
OPEN ENDED QUESTION
1 min • 2 pts
¿Cuáles son los iones expectadores en esta reaccción? CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la siguiente reacción: 2Ca(s) + O2(g) --> 2CaO(s), el calcio se está
Oxidando
Reduciendo
Ganando electrones
NO es una reacción redox
6.
OPEN ENDED QUESTION
45 sec • 1 pt
Cuál es el estado de oxidación del cromo en Cr2O7 2-
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A las bases también se les conoce cómo:
Aceptor de protones
Donador de protones
iones hidronio
iones amonio
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