Ajuste de reacciones químicas

Quiz
•
Chemistry
•
10th Grade
•
Hard
Standards-aligned
Carmen Delia Fumero Acosta
Used 128+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la reacción H2 + O2 = H2O. ¿Cuál es el producto?
H2
O2
H2O
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En la reacción Zn +HCl = ZnCl2. + H2. Indica los coeficientes esquiómétricos que se utilizan para ajustarla, en el orden en el que aparecen las sustancias.
1, 2, 1, 2
2,1 1, 1
1, 2, 1, 1
1,1, 1, 1
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
En la siguiente reacción O2 + H2 = H2O
( hay más de una respuesta correcta)
El O2 es un producto
El H2O es un producto
Para ajustar la reacción debemos poner los coeficientes 1, 2, 2 respectivamente
El H2 es un reactivo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el nombre de la siguiente sustancia : NH3 ?
Agua
Amoniaco
Borano
Metano
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El HCl se denomina
Amoniaco
Ácido clorhídrico
Metano
Ácido sulfhídrico
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la valencia del Ca es +2 y la valencia del O es -2 la fórmula correcta será
Ca2O2
CaO2
CaO
Ca2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la valencia del Ca es +2 y la del Cl es -1, la fórmula del compuesto es
CaCl
CaCl2
Ca2Cl
CaC2
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