
Rūgštys kartojimas taisytas
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Hard
Giedra Aldakauskienė
Used 69+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ką vadiname jonizacija?
Joninio junginio skilimą į jonus.
Molekulinio junginio skilimą į jonus.
Vandens molekulių prisijungimas prie jonų.
Vandenilio molekulės atskilimas
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kokia oksonio jono cheminė formulė?
H3O
H3O-
HO3+
H3O+
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurioje eilutėje surašytos silpnos rūgštys?
HCl, H2S, CH3COOH
HCl, HNO3, CH3COOH
H2CO3, H2S, CH3COOH
H2SO4, HCl, HNO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokie jonai susidaro vykstant sieros rūgšties jonizacijos antrai pakopai?
vandenilio ir sulfato
vandenilio ir vandenilio sulfato
vandenilio sulfato ir sulfato
du vandenilio ir sulfato
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kuris teiginys netinka anglies rūgšties tirpalui apibūdinti?
Anglies rūgštis yra stiprioji.
Šios rūgšties tirpalas yra elektrolitas
Jonizuojantis angies rūgščiai susidaro vandenilio jonai
Lakmusas anglies rūgšties tirpale yra raudonas.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kuri dalelė lemia tirpalo rūgštines savybes?
OH-(aq.)
Cl-(aq.)
Na+(aq.)
H+(aq.)
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kurioje stiklinėje nevyksta reakcija su druskos rūgštimi?
Su Mg
Su Ag
Su Pb
Su Zn
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