
Química 1° B.D.
Authored by Ana Lopez
Science
12th Grade
Used 2+ times

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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Está igualada esta expresión?
Si
Faltan colocar números delante de todas las fórmulas.
No
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H2SO4, es la fórmula del:
ácido sulfhídrico
ácido hiposulfuroso
ácido sulfúrico
ácido sulfuroso
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Para igualar debo:
Colocar un 2 delante del agua.
Colocar un 2 delante del Mg(OH)2
Colocar un 3 delante del agua.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El hidróxido crómico tiene la siguiente fórmula:
Cr(OH)3
Cr(OH)2
CrOH
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fe(OH)3, es la fórmula del
hidróxido de hierro
hidróxido de hierro (II)
hidróxido de hierro (III)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En una ecuación química se cumple que:
La cantidad de moléculas de los reactivos es igual a la cantidad de moléculas de los productos.
La masa de los reactivos es igual a la masa de los productos.
Los moles de los reactivos es igual a los moles de los productos.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuando se disocia el Zn(OH)2 se obtiene:
Zn2+ + OH-
Zn+ + OH-
Zn2+ + 2 OH-
Zn+ + 2 OH-
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