Examen Mensual 1 de 12mo del 3er trimestre

Examen Mensual 1 de 12mo del 3er trimestre

12th Grade

23 Qs

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Examen Mensual 1 de 12mo del 3er trimestre

Examen Mensual 1 de 12mo del 3er trimestre

Assessment

Quiz

Chemistry

12th Grade

Medium

Created by

RICARDO BLACKMAN

Used 5+ times

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diga el tipo de reacción para: 2Al2O3 ---->4Al + 3O2

Doble desplazamiento

Simple desplazamiento

Ácido Base

Combinación o Síntesis

Descomposición

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Los g de HCl en 0.50 moles de esta sustancia (PM = 36 g/mol)

36 gramos

9 gramos

18 gramos

2.38 gramos

4.9 gramos

3.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

Determine el estado de oxidación del S en CaSO3

1+

2+

4+

3-

7+

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Si la diferencia de electronegatividad de un compuesto es 2.0 su tipo de enlace es

Covalente no polar

Iónico

Metálico

Covalente Polar

Coordinado

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Balancee la siguiente ecuación:

Mg + H3PO4 ----> H2 + Mg3(PO4)2

1 + 3 ----> 2 + 3

1 + 3 ----> 3 + 2

2 + 3 ----> 1 + 3

3 + 1 ----> 2 + 3

3 + 2 ----> 3 + 1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

¿Cuál de los ejemplos presentados no es una mezcla heterogénea?

aceite en agua

Mezclar arena y piedra

tinta china

Hojuelas de maíz en la leche

ensalada de frutas

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Un Compuesto es

Sustancia heterogénea

Un átomo

Átomos unidos químicamente

Mezcla

Ninguna de las anteriores

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