COMIPEMS

COMIPEMS

10th Grade

10 Qs

quiz-placeholder

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COMIPEMS

COMIPEMS

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

BLANCA CRUZ

Used 191+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tipo de enlace que se forma cuando dos átomos comparten un par de electrones

Metálico

Iónico

Covalente

No metálico

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El enlace que está constituido por iones positivos sumergidos en una nube de electrones móviles es:

Iónico

Metálico

Covalente polar

Covalente no polar

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Los productos de la reacción H2SO4(ac) +Ba(OH)2 --> BaSO4+H2O son:

H2SO4 y Ba(OH)2

BaSO4 y H2O

Ba(OH)2 y BaSO4

H2O y H2SO4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un ejemplo de una reacción de síntesis o de unión directa es:

HCl + NaOH ---->NaCl+H2O

Fe2O3+C-----> CO2+ Fe

Na +Cl2 ----> NaCl

KClO3 ------>KCl + O3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La reacción Zn +2HCl-----> ZnCl2+H2 pertenece al tipo denominado

Síntesis

Simple sustitución

Doble descomposición

Descomposición

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En la siguiente ecuación química


O2 +4H ------>2H2O


El símbolo-----> significa

Correspondiente

Significa

Da como resultado

Es igual

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La sangre tiene un pH de 7.5, por lo que se clasifica como:

Acida

Neutra

Básica

Salina

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