REACCIONES QUIMICAS
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Laura Garcia
Used 81+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CORTAR FRUTA ES:
UN CAMBIO QUÍMICO
UN CAMBIO FÍSICO
AMBOS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
FREIR CARNE ES UN CAMBIO QUÍMICO
VERDADERO
FALSO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la masa molar del ácido sulfúrico ( H2SO4) datos: H=1, S=32 y O=16
98 u
98 g/mol
ambas son correctas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un matraz hay 34 g de amoniaco ¿ Cuántos moles hay?
datos: N=14, H=1
3 mol
34 mol
17 mol
2 mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos átomos de carbono hay en 1 mol de metano (CH4)?
6.022.1023
NO SE
3.011.1023
40
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tengo 3 moléculas de ácido sulfhídrico ¿ Cuántos átomos de hidrógeno tengo?
6 átomos
3 átomos
6.022.1023 átomos
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La siguiente reacción química
C + O2 -------- CO2
es una descomposición
es una sustitución simple
es una sustitución doble
es una síntesis
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