
Acizi si baze
Quiz
•
Education
•
1st - 5th Grade
•
Practice Problem
•
Hard
Madalina Grosu
FREE Resource
Enhance your content in a minute
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Valoarea pH-ului unei soluţii de HCl de concentraţie 0,01 mol/L este:
1
2
11
12
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
[HO-] pentru soluţia care are pH = 8, este:
10-6 mol/L
10-8 mol/L
100 mol/L
10-14 mol/L
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Valoarea pH-ului unei probe biologice în care [HO-] = 10-12 mol/L, este:
3
12
2
1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soluţia pentru care [H3O+] = 10-5 mol/L prezintă caracter:
acid
bazic
neutru
amfoter
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soluţia apoasă al cărui pH = 3 are [H3O+] egală cu:
3 mol/L
1 mol/L
10-3 mol/L
10-11 mol/L
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Baza conjugată acidului cianhidric este:
CO3-2
HCO3-
Cl-
CN-
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Baza conjugată speciei chimice cu formula HCO3- , este:
CO3-2
H2CO3
HCl
CN-
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acidul conjugat amoniacului este:
H3O +
HO-
NH4 +
NH4OH
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Specia chimică, HCO3 - , are caracter:
acid
bazic
neutru
amfoter
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