
Reacción Sintesis
Authored by Angie Lorena
Chemistry
8th Grade
Used 25+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿La siguiente ecuación química a qué tipo de reacción pertenece?
4 Al(s) + 3 O2(g) ----------- 2 Al2O3
Descomposición
síntesis
oxidación y reducción
Combinación
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La forma matemática de analizar un reacción de síntesis es:
A-B =AB
A = AB
A + B = AB
A* B = AB
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Es una reacción de síntesis
MgO + SO3 ------- MgSO4
HIO3 + HI ------------- I2 + H2O
Zn + H2SO4------------------ZnSO4 + H2
KNO3 ------ KNO2 + O2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para la ecución
2H3 + 02 ------ 2H30
Son coeficientes 4, 5 y sub índices 3,2
Son coeficientes 2,2 y sub índices 3, 2 ,3
Son coeficientes 2 y 3 son sub índices 3, 2
Son coeficientes 3,2 ,3 y sub-índices es 3, 2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identifica el reactivo y producto de Na + Cl-------> NaCl
reactivo: NaCl; producto: Na y Cl
reactivo Na y NaCl; producto: Cl
reactivo: Na y Cl; prodructo: NaCl
reactivo Cl y NaCl; producto: Na
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una ecuación química es....
es un proceso en el cual una sustancia (o sustancias) desaparece para formar una o más sustancias nuevas.
el modo de representar a las reacciones químicas.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En la reacción donde los reactivos se combinan para formar una nueva sustancias se llama:
síntesis
descomposicion
sustitución
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