EVALUACION REACCIONES QUIMICAS
Quiz
•
Chemistry
•
3rd Grade
•
Hard
J. Rivaldo sajama
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
1. Una ecuación química es....
es un proceso en el cual una sustancia (o sustancias) desaparece para formar una o más sustancias nuevas.
un es un proceso de transformación de las sustancias
el modo de representar a las reacciones químicas.
una tranformacion de la materia que pierde sus propiedades fisicas y quimicas
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
2. Identifica el reactivo y producto de Na + Cl-------> NaCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
3. En la reacción donde los reactivos se combinan para formar una nueva sustancias se llama:
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
4. Los productos en una ecuación química están ubicados:
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
5. Los subíndices en la ecuación química representan:
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
6. En una reacción química...
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
7. La ley de Lavoisier dice:
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