
ACIZI ȘI BAZE

Quiz
•
Chemistry
•
12th Grade
•
Medium

Doina Breazu
Used 28+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Baza conjugată a acidului carbonic este:
ClO3-
HCO3-
HO-
CO32-
H3O+
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dintre substanțele de de mai jos, cel mai tare acid este:
H2S
HF
CH3-COOH
HClO4
HCl
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Afirmația incorectă este:
Acizii tari sunt total ionizați în soluție apoasă.
Bazele slabe sunt parțial ionizate în soluție apoasă.
Acidul carbonic este total ionizat în soluție apoasă.
Acidul percloric este acid tare.
Amoniacul este bază slabă.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
pH-ul soluției de acid clorhidric 0,001M este:
3
10-3
11
103
4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Acizii sunt specii chimice care:
cedează neutroni;
cedează protoni;
acceptă electroni;
acceptă protoni;
cedează electroni;
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ionul NH4+ este:
o bază monoprotică
un acid poliprotic
o bază poliprotică
acidul conjugat al amoniacului
nici unul din răspunsuri
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Care concentrație în ioni hidroniu corespunde unei soluții bazice :
10-7 M
10-5 M
10-6 M
10-10 M
10-2 M
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