
Grado 9 - periodo 3 química
Authored by Lineth Intencipa
Chemistry
9th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Las soluciones nos permiten conocer la cantidad de un elemento o compuesto dentro de una mezcla. La temperatura tiene un papel importante en la solubilidad, esto sucede debido a que:
A mayor temperatura mayor solubilidad
A menor temperatura mayor solubilidad
A mayor temperatura menor solubilidad
A a mayor temperatura la solubilidad es igual
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Las unidades de concentración físicas son:
%m/m, %m/v y ppm
%m/v, %v/v y ppm
mol, %m/v, %v/v y ppm
%m/m, %m/v, %v/v y ppm
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
La formula para determinar las partes por millón es:
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
La formula para determinar el porcentaje masa a masa es:
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
La formula para determinar el porcentaje masa a volumen es:
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
La formula para determinar el porcentaje volumen a volumen es:
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
En un balón aforado de 0,4 Litros se encuentran 3 gramos de Cal y agua. ¿Cuál es la concentración masa - volumen?
11 %m/v
0,0075 %m/v
75 %m/v
0,75 %m/v
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