Baze
Authored by Constantin Ichim
Chemistry
8th Grade
Used 642+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Recunoști formulele bazelor după prezența ...
SO4
CO3
OH
NO3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
În formulele bazelor găsești ....
2 atom de metal
1 atomi de metal
4 atomi de metal
3 atomi de metal
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Potasa caustică are formula ...
NaOH
KOH
K2O
K2SO4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Baza solubilă în apă este ..
Cu(OH)2
Fe(OH)3
LiOH
Zn(OH)2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alege baza din formulele de mai jos ...
NO2
CH4
NH3
H2S
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hidroxidul feric are formula ...
Fe(OH)3
FeOH
Fe(OH)2
FeOH)4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bazele colorează fenolftaleina în ..
albastru
violet
roșu carmin
incolor
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