
Química Olimpiadas
Authored by liliana lópezh
Chemistry
1st - 4th Grade
Used 1+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El Zinc es un metal plateado que se utiliza para fabricar el latón y para recubrir El Hierro con la finalidad de evitar la corrosión. ¿Cuántos gramos de Zinc hay en 0.356 moles de Zinc?
23.3 g de Zinc
13.3 g de Zinc
3.3 g de Zinc
22.9 g de Zinc
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elementos con Protones 6, electrones 4 y masa atómica 12
Carbono
Anión Carbono +2
Anión Carbono -2
Catión Carbono +2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tipo de mezcla que representa una limonada
Homogénea
Heterogénea
Homogerea
Ninguna de las anteriores
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nombre de la siguiente fórmula H3PO4
Ácido Sulfhídrico
Ácido Meta fosfórico
Ácido Fosfórico
Ácido Nítrico
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El Azufre es un elemento no metálico que está presente en el Carbón. Cuando el carbón se quema el Azúfre se convierte en Dióxido de Azúfre y finalmente en ácido sulfúrico que da origen al fenómeno de lluvia ácida. ¿Cuántos átomos hay en 16.3 g de S?
3.06 X 1023
3.06
3.03 x 1022
3.06 x 1023
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A que elemento le pertenece la siguiente configuración y cuál es su capa de valencia. 1s22s22p2
O
N
S
C
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Masa molecular de C8H10N4 O2
184.20
144.20
19.4
194.20
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