INTRODUCCION A QUIMICA
Authored by Lizbeth Vidal
Chemistry
12th Grade
Used 45+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Las mezclas:
Son la combinación de sustancias en proporciones variables
Son la combinación de sustancias en proporciones definidas
Mantienen las propiedades de sus componentes
Pierden las propiedades de sus componentes
1 y 4 son correctas
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
La sublimación es:
El cambio de gas a líquido
El cambio de líquido a gas
El cambio de sólido a gas
El cambio de sólido a gas
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Las sustancias formadas por unión por dos o mas átomos iguales o diferentes se llaman:
Mezclas
Isotopos
Átomos
Moléculas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cambio de estado al pasar de sólido a líquido
Condensación
Fusión.
Solidificación.
Vaporización.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los átomos:
Son indivisibles.
Su identidad esta dada por el número de neutrones.
Están formados por un solo tipo de átomos
Todas las anteriores
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las propiedades de la materia pueden permitirnos o no identificar un tipo de sustancia, de acuerdo a esto, las podemos clasificar en:
Naturales y artificiales
Físicas y químicas
Generales y especificas
Extensivas e intensivas
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Átomo proviene del griego y significa:
Pequeño
Partícula
Indivisible
Único
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