Reacciones químicas
Quiz
•
Chemistry
•
7th Grade
•
Hard
Standards-aligned
Nancy Canteros
Used 310+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Que metodo se utiliza para balancear las ecuaciones utilizando sólo coeficientes estequiométricos?
REDOX
ALGEBRAICO
TANTEO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es todo compuesto , sustancia o elemento , que interviene en una reacción química, en donde sus propiedades generales se conservan. Se ubica antes de la flecha.
productos
coeficientes estequiométricos
reactivos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acompaña a un solo elemento para indicar el número de veces que está presente en la molécula cada elemento.
subíndice
coeficiente estequiométrico
índice
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Que significa un triangulo en la ecuación?
lumbre
fuego
calor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número que se encuentra fuera del paréntesis en una ecuación química recibe el nombre de?
índice
coeficiente estequiométrico
subíndice
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ley de Lavoisier dice:
Los reactivos siempre están ajustados
Los productos siempre están a la derecha de la reacción
Las reacciones de síntesis son endotérmicas
La masa de reactivos y productos es la misma
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
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