Balanceo por tanteo

Quiz
•
Chemistry
•
7th - 10th Grade
•
Hard
Vicky Caro
Used 76+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los coeficientes para balancear por tanteo la siguiente ecuación química son:
____ HCl + Ca(OH)2 = CaCl2 + ____ H2O
2,2
2,4
4,2
4,4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los coeficientes para balancear por tanteo la siguiente ecuación química son:
Al2O3 + __H2SO4 → Al2(SO4)3 + ___ H2O
1,2
3,2
3,3
3,4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los coeficientes para balancear por tanteo la siguiente ecuación química son:
P2H5 + ____ H2O → ___ H3PO4
2,2
3,2
4,2
2,3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
los coeficientes apropiados para la siguiente reacción son:
Fe2S3 + HCl --> FeCl3 + H2S
2:3:1:6
1:6:2:3
3:2:6:1
6:2:3:1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
los coeficientes apropiados para la siguiente reacción son:
Na3PO4 + MgCl2 --> Mg3(PO4)2 + NaCl
3:1:6:2
2:1:6:3
3:1:2:6
2:3:1:6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
K2SO4 + BaCl2 --> BasSO4 + KCl
1:2:1:2
1:2:1:1
2:1:1:1
1:1:1:2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
"LA CANTIDAD DE MATERIA DEBE SER LA MISMA ANTES Y DESPUÉS DE LA REACCIÓN QUÍMICA" ¿Qué lo afirma?
Ley de la conservación de la materia
El profesor de química
Ley de la conservación de la energía
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