
7 Acizi
Authored by Emilia-Dana Schiha
Chemistry
7th - 8th Grade
Used 20+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Acizii sunt substanțe compuse, ce au în moleculă un atom de hidrogen și mai mulți radicali acizi.
adevărat
fals
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
În formula generală a acizilor HnA, n reprezintă
valența hidrogenului
valența radicalului acid
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Acizii se pot clasifica după compoziție în:
hidracizi
hidroxiacizi
oxiacizi
sulfacizi
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Găsiți enunțurile adevărate
acidul fosforic este mai tare decât acidul sulfuric
acizii se dizolvă în apă
acizii dibazici au în molecula lor doi atomi de hidrogen
acidul carbonic este un acid slab
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Soluțiile de acizi
au gust acru
sunt întotdeauna divers colorate
conduc curentul electric
au gust amar
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oțetul este un exemplu de
bază
acid
substanță neutră
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Când se găsesc în alimente acizii sunt
dulci
acri
sărați
amar
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