Reacciones químicas
9th Grade
•40 Qs
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Reacciones químicas
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Ana Cristina Lapeña Royo
Used 4+ times
FREE Resource
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes procesos, corresponde a una transformación química?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué es un proceso químico?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las reacciones químicas que tiene lugar con despendimiento de calor se llaman:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los subindices en la ecuación química representan:
número de moléculas
la cantidad de reactivos
la cantidad de átomos
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuántos átomos de oxígeno hay en el peryodato de bario, Ba(IO4)2?
4
2
6
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De los siguientes fenómenos, uno NO es reacción química
Fermentación
Evaporación
Oxidación
Combustión
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es la masa molecular del amoniano, NH3? N=14u, H=1u
17u
17g
17
16u
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