
ELEMENTOS, COMPUESTOS, MEZCLAS.
Authored by Leonor Camacho
Chemistry
9th Grade
Used 11+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Toda sustancia, cuyas moléculas están formadas por átomos con el mismo valor de Z, es
un elemento.
un compuesto.
una mezcla.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
NO es una sustancia pura:
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
CO2 , H2 , N2, son fórmulas químicas que corresponden respectivamente a
un elemento, un compuesto, un elemento.
un elemento, un elemento, un compuesto.
un compuesto, un elemento, un elemento.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se dice de la combinación de sustancias que no pierden sus propiedades.
Sustancias puras.
Mezclas.
Compuestos.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Toda sustancia pura es una mezcla.
Falso
Verdadero
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Podemos deducir que el gráfico corresponde a una molécula de
un elemento.
un compuesto.
una mezcla
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Son mezclas homogéneas:
el aire y las ensaladas.
el café y el suero fisiológico.
un jarabe para la tos y una sopa de lentejas.
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