Baze
Authored by Luminita -Monica Horotan
Chemistry
8th Grade
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce grupare comună conțin bazele?
NO2
OH
CO3
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cum se mai numește hidroxidul de sodiu NaOH?
(a)
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sunt baze solubile în apă:
NaOH
Cu(OH)2
KOH
Fe(OH)2
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Ce valență are fierul în Fe(OH)3?
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este formula generală pentru baze?
Me2On
HnR
Me(OH)n
Me(OR)n
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce culoare are Cu(OH)2?
albastru
alb
verde-murdar
brun-roșcat
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cum se numește Mg(OH)2?
(a)
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