
Revisão 3° Bimestral - 1°MCN
Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Milena Sachi
Used 4+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Qual o NOX do oxigênio na maioria dos casos?
-2
-1
0
+1
+2
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Qual o NOX do hidrogênio na maioria dos casos?
-2
-1
0
+1
+2
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Qual o NOX do hidrogênio na molécula de ácido sulfúrico (H2SO4)?
-2
-1
0
+1
+2
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Qual o NOX do hidrogênio na molécula de hidreto de potássio (KH)?
-2
-1
0
+1
+2
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A combustão incompleta de compostos orgânicos gera, como produto, ______ e água (H2O). Complete a sentença anterior:
CO
CO2
SO2
SO3
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A combustão completa de compostos orgânicos gera, como produto, ______ e água (H2O). Complete a sentença anterior:
CO
CO2
SO2
SO3
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Balanceie a reação química a seguir levando-se em conta a utilização de dois mols de etanol (C2H5OH) e assinale qual o coeficiente estequiométrico do gás oxigênio.
C2H5OH + O2 -> CO2 + H2O
3
4
5
6
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