
Examen de Química II
Quiz
•
Science
•
12th Grade
•
Hard
Sebastian Hernandez
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64 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ordena las siguientes reacciones químicas de acuerdo con la clasificación de los tipos de reacción (síntesis, descomposición, desplazamiento y doble desplazamiento): a) 2H2+O2→2H2O b) NaCl+AgNO3→NaNO3+AgCl c) CaCO3→CaO+CO2 d) Zn+CuSO4→ZnSO4+Cu
Síntesis: a
Doble desplazamiento: b
Descomposición: c
Desplazamiento simple: d
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ordena los siguientes compuestos de acuerdo con su estado físico en condiciones estándar (gas, líquido, sólido): a) H2O b) CO2 c) NaCl
Sólido: c
Líquido: a
Gas: b
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Clasifica los siguientes compuestos según su tipo de enlace químico (iónico, covalente, metálico): a) NaCl b) CO2 c) Fe
Iónico: a
Covalente: b
Metálico: c
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ordena las siguientes reacciones según el tipo de energía involucrada (exotérmica, endotérmica): a) 2H2+O2→2H2O b) N2+O2→2NO
Exotérmica: a
Endotérmica: b
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Organiza las siguientes ecuaciones en función de la conservación de la masa (balanceada o no balanceada): a) 2H2+O2→2H2O b) H2+O2→H2O
Balanceada: a
No balanceada: b
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ordena las siguientes reacciones según su comportamiento frente a un reactivo ácido (reacción ácida, no ácida): a) NaOH+HCl→NaCl+H2O b) NaOH+NaOH→Na2O+H2O
Ácida: a
No ácida: b
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Clasifica las siguientes sustancias según su comportamiento como ácidos o bases (ácido, base): a) HCl b) NH3
Ácido: a
Base: b
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