
REAZIONI CHIMICHE
Authored by Cassandra Manalo
Science
7th Grade
Used 15+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
CHE COSA SONO LE REAZIONI CHIMICHE?
è una piccola particella
è un processo in cui sostanze si trasformano in altre
è un reagente
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
CHE COSA AVVIENE NELLE REAZIONI CHIMICHE?
gli atomi si contraggono e si rilassano
si rompono i legami e si formano altri
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
QUALI SONO I PRINCIPALI LEGAMI CHIMICI?
legami ionici, covalente e metallici
legami ionici, metallici e idrogini
legami covalente, non metallici e acidi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DA QUALI PARTICELLE E' FORMATA L'ATOMO?
protone, neutrone e idrogeno
neutrone, metallo e acqua
acidi, sale e acqua
protone, neutrone e elettrone
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
IN CHE COSA SONO DIVI LE REAZIONI TRA OSSIDI E ACQUA?
idrossidi e acqua
idrossidi e ossiacidi
ossidi basici e ossidi acidi
metallo e idrogeno
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