Proprietățile chimice ale metalelor

Quiz
•
Chemistry
•
Professional Development
•
Hard
Veronica Rotari
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metalele manifestă proprietăți
oxidante
reducătoare
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metalele posedă pe ultimul nivel electronic
1 electron
2 electroni
3 electroni
1-3 electroni
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Interacțiunea substanțelor cu oxigenul se numește reacție de:
substituție
ardere
hidratare
oxidare
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sulfurile sunt:
SO42-
SO32-
S2-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suma coeficienților în ecuația Al+ Br2= AlBr3 este:
4
5
6
7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula chimică a acidul sulfuros este:
H2S
H2SO3
H2SO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suma coeficienților în ecuația Zn + H2SO4 (conc.) = ZnSO4 + S+ H2O este:
12
13
14
15
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