
Test
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
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Medium
Brinza Veronica
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acizii au în componenta lor:
Un atom de hidrogen si un radical acid
Un atom de hidrogen si mai mulți radicali acizi
Unul sau mai mulți atomi de hidrogen si un radical acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Radicalul acid este atomul sau grupul de atomi proveniți din molecula :
Acidului
Bazei
Sării
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acizii se clasifica în acizi monobazici, dibazici și tribazici, după :
Tărie
Nr atomilor de hidrogen substituiti
Compoziție
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HCl, HBr, H2S sunt :
Hidracizi
Oxiacizi
Anhidride acide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HNO2 se numește :
Acid azotic
Acid azotos
Acid azothidric
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sulfit acid se scrie :
HSO4
HSO2
HSO3
H2SO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Denumirea hidracizilor se face adăugând la "oxid" + numele nemetalului :
Sufixul "-hidric"
Sufixul "-ic"
Sufixul "-os"
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următorii acizi sunt tari :
Acid acetic, acid azotic, acid sulfuric
Acid sulfuric, acid sulfuros, acid sulfhidric
Acid sulfuric, acid azotic, acid clorhidric
Acid clorhidric, acid fosforic, acid azotic
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HCl, HBr, H2S sunt :
Hidracizi
Oxiacizi
Anhidride acide
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