EXAMEN QMC 5TO A (TEORÍA)-1ER T.
Quiz
•
Chemistry
•
1st - 5th Grade
•
Hard
Jimena Sanca
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se calcula la densidad de un objeto?
Multiplicando su pasa por su volumen
Dividiendo su volumen entre su masa
Dividiendo su masa entre su volumen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes es unidad de densidad?
km/seg
ml/kg
g/ml
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La unidad de la composición porcentual de un elemento químico es:
mol
%
gramo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La densidad relativa se caracteriza porque tiene unidades
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La estequiometria estudia la relación cualitativa de los elementos reaccionantes y el producto
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un mol de cualquier compuesto tiene:
2,34 x1024 moléculas
6,022x1023 moléculas
4,452x1021 moléculas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para hallar el peso molecular de un compuesto es necesario contar con los.............................................de los elementos que participan en el compuesto químico
pesos atómicos
número de electrones
masa nuclear
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