N. Ossidazione - step 2
Authored by Fabio Marino
Chemistry
10th - 11th Grade
Used 22+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
il numero di ossidazione dello zolfo nel seguente composto è:
H2SO4
+6
+4
-2
+2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
in SnO2, lo stagno ha n. di ossidazione:
4
3
2
1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
nel cloruro di sodio:
il sodio ha n. ox +1 e Cloro -1
il sodio ha n. ox -1 e Cloro +1
il sodio ha n. ox +1 e Cloro +1
il sodio ha n. ox +1 e Cloro +3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è il numero di ossidazione di O in CO2 ?
+2
-1
+4
-2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è il numero di ossidazione di N in NO21- ?
-3
+4
-2
+3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è il numero di ossidazione di C in CH4?
-4
-1
+4
+1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quali sono i numeri di ossidazione degli elementi nell'acido solforico H2SO4 ?
A
B
C
D
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