
Ch8 - kyseliny
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
J M
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kyseliny jsou látky odštěpující ve vodném roztoku
H+
OH-
H-
OH+
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kyseliny se v obchodech prodávají jako
se v obchodech nedají koupit
zředěné
koncentrované
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Správný postup při ředění kyselin je
pomalu kyselina do vody, míchat
pomalu voda do kyseliny, míchat
voda do kyseliny, nemíchat
kyselina do vody, nemíchat
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
V žaludku člověka se nachází
koncentrovaná HCl
zředěná HCl
koncentrovaná H2SO4
zředěná H2SO4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pálení žáhy je proniknutí žaludečních šťáv do
jícnu
hltanu
hrtanu
dvanácterníku
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reakcí bezkyslíkatých kyselin s většinou kovů vzniká
H2
O2
Cl2
oxid
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Elektrolyt v automobilových bateriích je
32% roztok H2SO4
32% roztok HNO3
96% roztok H2SO4
96% roztok HNO3
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