EXAMEN N°2- QUÍMICA

EXAMEN N°2- QUÍMICA

9th Grade

30 Qs

quiz-placeholder

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EXAMEN N°2- QUÍMICA

EXAMEN N°2- QUÍMICA

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Medium

Created by

STEFANIA OLIVEROS LONDONO

Used 2+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Un pH 7 nos indica que la solución es:

Neutra

Ácida

Básica

Alcalina

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Pedro al terminar de reaccionar dos compuestos químicos en un tubo de ensayo, intento agarrar el tubo con su mano pero no puedo porque estaba muy caliente al haber adicionado los reactivos y después de generar los productos, esto ocurrió porque la reacción que pedro realizo en el laboratorio fue:

Endotérmica

Exotérmica

Desplazamiento

Síntesis

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El pH del jugo gástrico del estómago es igual a 1 , esto quiere decir que es:

ácido

básico

neutro

sal

4.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Al(s)​+Cu(Ac)2+​ ⟹ Al(Ac)3+​+Cu(s)​.

El agente oxidante es:

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Indique la alternativa correcta :

a) A mayor pH mayor acidez

b) A menor pH mayor acidez

c) A menor PH mayor alcalinidad

d) A mayor PH menor alcalinidad

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El jugo de naranja debería poseer un pH cercano a :

a. pH3

b. pH 7

c.pH 10

d. pH6

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

La siguiente ecuación representa: Zn + HCl → ZnCl2 + H2

Ecuación de desplazamiento simple

Ecuación de doble desplazamiento

Ecuación de síntesis

Ecuación de producción

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