1er Parcial Quimica II

Quiz
•
Chemistry
•
9th - 10th Grade
•
Hard
DIANA MARTELL
Used 4+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La quimica es la ciencia que estudia la materia y la energia y sus cambios fisicos que hay en ellos
Cierto
Falso
No se
Cinco
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una reaccionn quimica representa un cambio en la estructura molecular de los atomos y/o compuestos
Cierto
Falso
No se
Cinco
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un atomo se dice que se oxida cuando pierde electrones
Cierto
Falso
No se
Cinco
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un atomo se dice que se reduce cuando pierde electrones
Cierto
Falso
No se
Cinco
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En la reaccion
Cu + HNO3 → Cu(NO3)2 + H2O + NO2
Quien se oxida y quien se reduce?
Cu se oxida
N se reduce
H se reduce
O se oxida
Cu se reduce
N se oxida
H se oxida
O se reduce
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En la siguiente reaccion, quien se oxida y quien se reduce
I2 + HNO3 → HIO3 + NO + H2O
I se oxida
N se reduce
I se reduce
N se oxida
H se oxida
O se reduce
H se reduce
O se oxida
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cuales son los moles necesarios para balancear la siguiente reaccion
CuS + HNO3 → Cu(NO3)2 + NO + S + H2O
3CuS
8HNO3
3Cu(NO3)2
2NO
3S
4H2O
5CuS
6HNO3
3Cu(NO3)2
5NO
5S
7H2O
5CuS
6HNO3
3Cu(NO3)2
5NO
5S
4H2O
3CuS
6HNO3
3Cu(NO3)2
5NO
5S
9H2O
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