Evaluación Parcial II Unidad III

Evaluación Parcial II Unidad III

11th Grade

10 Qs

quiz-placeholder

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Evaluación Parcial II Unidad III

Evaluación Parcial II Unidad III

Assessment

Quiz

Chemistry

11th Grade

Hard

Created by

Jairo Reyes

Used 1+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué se utiliza como coeficientes para balancear ecuaciones químicas?

Coeficientes numéricos

Coeficientes de reacción

Coeficientes químicos

Coeficientes estequiométricos

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la siguiente ecuación química: H2 + O2 -> H2O

2H2 + O2 -> H2O

H2O -> H2 + O2

2H2 + O2 -> 2H2O

H2O2 -> H2 + O2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la siguiente ecuación química: Fe + O2 -> Fe2O3

Fe + O2 -> FeO

4Fe + 3O2 -> 2Fe2O3

4Fe + 2O2 -> 2Fe2O3

3Fe + 3O2 -> Fe2O3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la siguiente ecuación química: Al + HCl -> AlCl3 + H2

2Al + 6HCl -> 2AlCl3 + 2H2

2Al + 4HCl -> 2AlCl3 + 2H2

2Al + 6HCl -> 2AlCl3 + 3H2

Al + 3HCl -> AlCl3 + H2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la siguiente ecuación química: Na + H2O -> NaOH + H2

2Na + H2O -> NaOH + H2

2Na + 2H2O -> 2NaOH + H2

Na + 2H2O -> NaOH + H2

2Na + 2H2O -> NaOH + 2H2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la siguiente ecuación química: C3H8 + O2 -> CO2 + H2O

C3H8 + 4O2 -> 3CO2 + 4H2O

C3H8 + 6O2 -> 3CO2 + 4H2O

C3H8 + O2 -> 2CO2 + 2H2O

C3H8 + 5O2 -> 3CO2 + 4H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la siguiente ecuación química: Mg + HCl -> MgCl2 + H2

Mg + 2HCl -> MgCl2 + H2

Mg + 2HCl -> MgCl + H2

Mg + HCl -> MgCl + H2

Mg + HCl -> MgCl2 + H

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