
PRACTICA CALIFICADA 2 DE 3°
Authored by FERNANDO ABRAMONTE
Chemistry
2nd Grade
Used 11+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Respecto al Cl2O indique la proposición correcta:
Es un óxido básico
Su nombre es óxido de dicloro.
Su atomicidad es mayor que la del anhídrido peryódico.
Su nombre es oxido de cloro
El estado de oxidación del átomo de cloro es –1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es el estado de oxidación del azufre en el siguiente radical (SO4)2- ?
+ 1
+ 3
+ 5
+ 6
+ 8
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El óxido de un metal es pentátomico. ¿Cuántos átomos posee el hidróxido de dicho metal?
1
3
5
7
9
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es la atomicidad de la llamada “Sal Mohr” la cual es el sulfato doble de amonio y hierro II?
2
7
10
15
27
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. ¿Cuál de los nombres siguientes no le corresponde a la siguiente fórmula: Fe3O4
Tetróxido de trihierro
Óxido ferroso - férrico
Óxido salino de hierro
Magnetita
Peróxido de hierro
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Determinar la atomicidad del decatio orto peroxi permanganato triácido de alumnio.
20
19
18
17
16
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La fórmula del compuesto: Ácido orto deca hiperclórico
H6Cl10O36
H6Cl10O40
H4Cl10O42
H6Cl10O38
H6Cl10O41
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