
11 Chimica riepilogo
Quiz
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Science
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University
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Practice Problem
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Giuseppe Elia
Used 4+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Indica la sequenza, da sinistra a destra, degli stati di ossidazione del rame nei seguenti composti:
CuS; Cu2SO4
+1; +3
Nessuna delle precedenti
+2; +3
+2; +1
+4; +5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Seleziona il nome corretto per il composto K3PO4
Ossido fosforo e potassio
Fosfito di tripotassio
Fosfato di potassio
Fosfito di potassio
Potassio fosfuro
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Seleziona l’ossido basico.
CaF2
CO2
Cl2O7
CaO
N2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quale dei seguenti ossidi reagisce con l'acqua per formare un idrossido?
SO3
CO
Nessuna delle risposte è corretta
SO2
KCl
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
L'ebollizione dell'acqua è un processo ...
isentropico
esotermico
diverso da tutti quelli elencati nelle altre risposte
isotermico
isentalpico
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Seleziona la quantità corrispondente a una mole di rame
Un numero di Avogadro di atomi di rame
63,54 × 6,022 g di rame
63,54 kg di rame
La quantità di rame che reagisce completamente con una mole di ossigeno gassoso per produrre CuO
6,022 × 1020 molecole di rame
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Seleziona la quantità di Na2CO3 che contiene esattamente 12 g di carbonio.
(PMNa=23, PMC=12, PMO=16)
106 g
2 mol
2 unità formula
1 u.m.a.
45 g
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