
Rūgštys
Authored by Lorenta Juškienė
Chemistry
9th Grade
Used 56+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vandenilio chlorido dujų tirpalas vandenyje yra vadinamas ....
druskos rūgštis
sieros rūgštis
sulfato rūgštis
sulfido rūgštis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HCl rūgštis vandenyje visiškai suskyla į jonus ir yra ....
silpna rūgštis
stipri rūgštis
joninė rūgštis
vidutinio stiprumo rūgštis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acto rūgštis yra ........, nes tik 1% molekulių tirpale suskyla į jonus.
stipri rūgštis
vidutinio stiprumo rūgštis
stipriausia rūgštis
silpna rūgštis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sieros rūgšties formulė
HNO3
H2SO3
H2SO4
H2S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kai kurie metalai iš rūgščių išstumia ....
deguonį
vandenilį
ozoną
vandenį
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reakcijos tarp rūgščių ir metalų yra .... reakcijos
neutralizacijos
oksidacijos - redukcijos
elektronų perėjimo
jonų mainų
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tirpalo pH = 14 - tai .......................
stiprioji bazė
silpnoji bazė
stiprioji rūgštis
silpnoji rūgštis
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