Junginiuose su metalais sieros oksidacijos laipsnis visada yra
Siera

Quiz
•
Chemistry
•
10th Grade
•
Hard
Meilė Bukytė
Used 24+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-2
+2
+3
+4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks junginys susidaro, kai siera dega?
SO2
SO3
H2S
H2SO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokia sąlyga reikalinga, kad degimo metu susidarytų SO3 ?
Katalizatorius
Daugiau deguonies
Stipriau kaitinti
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuris apibūdinimas tinka SO3 ?
Rūgštinis oksidas, sudarantis H2SO3
Rūgštinis oksidas, sudarantis H2SO4
Bazinis oksidas, neutralizuojantis rūgštis
Bazinis oksidas, reaguojantis su vandeniu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaip užbaigtumėte šią reakcijos lygtį:
SO2 + H2O --> ?
H2SO3
H2SO4
H2S + O2
SO3 + H2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ką įrašytumėte vietoj daugtaškio šioje reakcijos lygtyje:
SO3 + ... --> K2SO4 + H2O ?
2 KOH
K2O
K2S
2 K
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ką įrašytumėte vietoje daugtaškio šioje reakcijos lygtyje:
SO2 + ... --> Na2SO3 ?
Na2O
2 NaOH
Na2S
NaCl
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