
Quiz chimica generale
Authored by Marianna Taglialatela
Science
9th Grade
Used 5+ times

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33 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gli ioni sono:
Atomi neutri
Atomi o gruppi di atomi con una o più cariche elettriche, positive o negative
Chiamati anche neutroni
Molecole apolari
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I composti ionici
Sono molecole
Sono reazioni chimiche
Reazioni fisiche
Non sono formati da molecole, ma da schiere di ioni positivi e negativi che si alternano in modo ordinato
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un corpo possiede energia se
Può compiere lavoro e trasferire calore
Può ionizzare un atomo già carico
E' un miscuglio omogeneo di due o più sostanze
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
I reagenti contengono un totale di sei atomi di carbonio
I prodotti contengono complessivamente due atomi di idrogeno
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Un atomo che PERDE un elettrone si carica.....
NEGATIVAMENTE -
POSITIVAMENTE +
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Se sciolgo sale da cucina nell'acqua ottengo:
una soluzione liquido-liquido
una soluzione solido-liquido
una soluzione liquido-gas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2S si chiama
acido solfidrico
acido solforoso
acido solforico
acido zolfidrico
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