
Examen parcial de química 1
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Jorge Reyes
Used 5+ times
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46 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se refiere a sustancias puras:
Elementos y compuestos
Masa atómica e isótopos
Mezclas homogéneas y heterogéneas
Fuegos artificiales
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se forman por la unión de dos o más átomos iguales o distintos
Átomos
Elementos
Moléculas
Mezclas
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
La atmósfera está compuesta por: N, O2, CO2, H2O y otros materiales, por lo tanto es una:
Sustancia pura
Sustancia compuesta
Mezcla
Átomos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es un ejemplo de elemento, EXCEPTO:
Agua
Platino
Cobre
Helio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las sustancias puras se clasifican en:
Elementos y mezclas
Homogéneas y Heterogéneas
Coloides y suspensiones
Elementos y compuestos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles son los tipos de mezclas?
Simples y compuestas
Homogéneas y Heterogéneas
Grandes y pequeñas
Ácidas y alcalinas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es un ejemplo de mezcla homogénea:
Aire
Caldo de pollo
Bicarbonato
Oxígeno
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