Soluții. Dizolvarea compușilor în apă
9th Grade
•10 Qs
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Soluții. Dizolvarea compușilor în apă
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
GABRIELA-FELICIA GAVRILUȚĂ
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Legătura intre ionii de semn contrar dintr-un compus ionic este :
ionică
covalentă polară
covalentă nepolară
ion-dipol
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Ionii hidratați din imagine :
conduc curentul electric
nu conduc curentul electric
sunt mobili
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Molecula apei este :
dipol
moleculă nepolară
moleculă polară
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Între ionii Na+ și Cl - dintr-un cristal și moleculele de apă se stabilesc legături :
dipol -dipol
ion-dipol
covalent- coordinativă
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ionul H3O+ este :
ion hidratat
ion hidrolizat
ion dintr-un cristal
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
La dizolvarea substanțelor are loc:
un fenomen chimic
un fenomen fizic
fenomen fizic concomitent cu fenomen chimic
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Forțele dintre moleculele de HCl și moleculele de H2O sunt:
dipol-dipol
ion-dipol
forțe intermoleculare
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