Zaznacz poprawnę reakcję otrzymywania wodorotlenku sodu.

Wodorotlenki

Quiz
•
Chemistry
•
1st Grade
•
Hard
Elżbieta Loba
Used 15+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Na + H2O = NaOH
2Na + 2H2O = 2NaOH + H2
Na + H2O = Na(OH)2
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt

Wodorotlenek potasu można otrzymać w wyniku reakcji:
tlenek potasu + woda
potas + woda
tlenek potasu + tlen
potas + kwas
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Zaznacz wzór wodorotlenku wapnia
CaOH
Ca(OH)2
Ca(OH)3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Prawidłowe wzory sumaryczne wodorotlenku glinu i wodorotlenku miedzi zapisano w punkcie:
Al(OH)3, Cu(OH)2
AlOH, Cu(OH)2
Al(OH)2, Cu(OH)3
Al(OH)3, Cu2OH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która reakcja przedstawia prawidłowy zapis reakcji otrzymywania wodorotlenku potasu z tlenku potasu?
2K+H2O→2KOH+H2↑
K2O+H2O→2KOH
K2O +H2O→2K(OH)2
KO+H2O→ KOH
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Prawidłowe wzory sumaryczne wodorotlenku glinu i wodorotlenku miedzi(II) zapisano w punkcie:
Al(OH)3, Cu(OH)2
AlOH, Cu(OH)2
Al(OH)2, Cu(OH)3
Al(OH)3, Cu2OH
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