Alegeți cuvintele care completează corect afirmatia următoare:
Acizii tari sunt specii chimice capabile sa............. protoni și care ionizează........... în solutie apoasa.
Acizi generalități
Quiz
•
Chemistry
•
8th Grade
•
Hard
Cristina M
Used 1+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți cuvintele care completează corect afirmatia următoare:
Acizii tari sunt specii chimice capabile sa............. protoni și care ionizează........... în solutie apoasa.
accepte,
total
cedeze,
partial
cedeze,
total.
accepte,
partial
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dintre substanțele următoare, alegeți acizii tari:
H2CO3
H2SO4
HF
HCl
HNO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Constanta de aciditate a acidului acetic este:
>1
<1
=1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți varianta care contine acizi slabi.
HF, HCl,HNO3
H2 CO 3, H3PO4, H2SO4
H2 CO3, HCN, HF
HCN, HBr,HCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH-ul acizilor poate fi:
>7
<7
=7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În soluția apoasa a unui acid,este nelipsit ionul:
Hidroxil
Hidroniu
Ambii
Niciunul
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Acidul acetic ....... acidul clorhidric din sărurile lui.
Answer explanation
Un acid tare scoate din sărurile lui un acid mai slab decât el.
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