Evaluación Parcial II Unidad III
Quiz
•
Chemistry
•
11th Grade
•
Hard
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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