Examen de diagnostico Química general
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
Omar Flores
Used 4+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son los cuatro elementos básicos que conforman la materia.
C, H, O, N
Be, Na, Ra, Rf
ADN, ARN, gen, célula
Ca, He, Ni,
NaCl, NaOH, GaAs, H2CO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sustancia que puede llegar a ser venenosa debido a su cantidad y propiedades químicas.
Medicamento
Sustancia
Ácido
Toxicidad
Veneno
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La observación, la abstracción, la experimentación, la comprobación, son elementos del:
Estudio de campo
Investigación detallada
Descubrimiento científico
Método Científico
Experimentación
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Creador de la ley de la conservación de la materia.
Louis Pasteur
Niels Bohr
Antonie Lavoiser
Joseph Thompson
John Dalton
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En este cambio de estado todo líquido alcanza cierta temperatura y comienza a pasar a la fase gaseosa.
Fusión
Ebullición
Evaporación
Calentamiento
Sublimación
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es un valor que representa la proporción entre los componentes de una mezcla.
concentración
soluto
sustancia
densidad
volumen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La unidad de medida para los átomos es:
Newton
caloría
uma
milímetro
pascal
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