
Chimica 01
Authored by Giuseppe Elia
Chemistry, Science
University
Used 71+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
potassio
zinco
non esiste sulla Tavola Periodica
rame
argento
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Una sostanza è riducente rispetto ad un'altra se:
Si riduce più facilmente
Ha minor tendenza a passare in forma ionica
Nessuna delle altre risposte
Ha maggiore tendenza a perdere elettroni
Ha maggiore tendenza ad acquistare elettroni
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
In base alla teoria del legame di valenza il legame H-Br costituito dalla sovrapposizione degli orbitali
3s - 3s
1s - 4s
1s - 4p
2s - 3p
2p - 2p
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Un legame polare:
E’ un legame ionico
E’ un legame tra atomi di elettronegatività diversa
E’ un legame tra due atomi uguali
E’ un legame intermolecolare
Nessuna delle altre risposte
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Mettendo a contatto acqua pura con un metallo del 1° gruppo (alcalino), il metallo:
libera ossigeno
reagisce lentamente
non reagisce
libera idrogeno rendendo la soluzione acida
libera idrogeno rendendo la soluzione basica
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Fosfuro acido di sodio
Metafosfato di sodio
Fosfito di sodio
Ossido misto di sodio e potassio
Ortofosfato acido di sodio
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
1
2
3
5
6
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