
REACCIONES QUIMICAS
Authored by Tania hualpa
Chemistry
2nd - 9th Grade
NGSS covered
Used 529+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 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.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Identifica el reactivo y producto de Na + Cl-------> NaCl
reactivo: NaCl; producto: Na y Cl
reactivo: Na y Cl; prodructo: NaCl
reactivo Na y NaCl; producto: Cl
reactivo Cl y NaCl; producto: Na
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1. En la reacción donde los reactivos se combinan para formar una nueva sustancias se llama:
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Los productos en una ecuación química están ubicados :
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Los subindices en la ecuacion quimica representan:
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
En una reacción química...
Con unos productos obtenemos otros productos
Con unos productos obtenemos unos reactivos
Con unos reactivos obtenemos unos productos
Con unos reactivos obtenemos otros reactivos
7.
MULTIPLE CHOICE QUESTION
20 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
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