
Evaluación Diagnóstico Química
Authored by Elizabeth Sarango
Chemistry
4th Grade
Used 22+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1.- La molécula de los ácidos hidrácidos está constituida
por:
SEÑALAR LA RESPUESTA
CORRECTA:
a. Un metal y un No metal
b. El azufre y el Oxígeno
c. Un No metal y el hidrógeno
d. Dos Metales
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.- El número de oxidación del Fe es:
SEÑALA LA RESPUESTA CORRECTA
a. -1 y -2
b. +2 y +3
c +2 y +4
a. +6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.- Los ácidos oxácidos se forman por la reacción entre:
a. Un No metal con el oxígeno
b. Un Oxido ácido con el agua
c. Dos Óxidos básicos
d. Un Óxido ácido con un Óxido básico
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.- La molécula de una sal binaria usada diariamente para la elaboración de alimentos en nuestro hogar
es:
a. El cloruro de sodio
b. El ácido clorhídrico
c. El anhídrido carbónico
d. Ninguo de los anteriores
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.- Las sales oxisales ternarias se forman por la sustitución completa de:
a. Los hidrógenos del ácido oxácido
b. Los oxígenos del ácido oxácido
c. Los No metales del ácido oxácido
d. Las moléculas de agua
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.- La fórmula del ácido Fluorhídrico es:
a. H2F
b. HF
c. HF2
d. HP
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.- La fórmula del ácido Yodhídrico es:
a. IH
b. H2I
c. HI2
d. HI
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