
QUIMICA 2
Authored by EPISCOPAL CHIMBACALLE
Chemistry
11th Grade
Used 14+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Escoge el número de oxidación que corresponde al N en la siguiente fórmula HNO3
+3
+5
+7
+1
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Selecciona los números de oxidación que tienen el H y el O
+1 y +1
-1 y +3
+1 y -2
+2 y -2
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
A cuántas moles equivalen 30 g de NaOH
0.75 moles
1 mol
1.5 moles
2 moles
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Al hacer reaccionar dióxido de manganeso con ácido clorhídrico obtenemos Cloruro de Manganeso con cloro molecular. Señala los reactivos.
MnO2 + HCl
MgO2 + HClO
MnCl2 + Cl2
MgCl2 + Cl
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
El gas dióxido de azufre en presencia del oxígeno del aire se transforma en trióxido de azufre. Selecciona la ecuación balanceada
SO2 + O2→SO3
2SO2 + 2O2→2SO3
2SO2 + O2 → 2SO3
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Una muestra de 25 L de una disoluciòn de hidróxido de sodio contiene 100 g de soluto. Averigua su molaridad M= moles de soluto/ litros de solución
1mol/L
0.1 mol/L
10 moles/L
0.01 mol/L
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Una muestra de 25 L de una disoluciòn de hidróxido de sodio contiene 100 g de soluto. Averigua su molaridad M= moles de soluto/ litros de solución
1mol/L
0.1 mol/L
10 moles/L
0.01 mol/L
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