Hidroksidai. Oksidai. Rūgščių ir šarmų gavimas
Quiz
•
Chemistry
•
9th Grade
•
Hard
Laura Stance
Used 51+ times
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuris hidroksidas tirpdamas vandenyje suskyla į jonus?
Ba(OH)2
Fe(OH)3
Cu(OH)2
Zn(OH)2
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Parašykite vario (II) oksido ir sieros rūgšties reakcijos lygtį.
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Kokia spalva universalusis indikatorius nudažys tirpalą, kurio pH 13?
Violetine
Žalia
Raudona
Mėlyna
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kurią rūgštį atitinka SO₂ oksidas?
H₂SO₄
H₂S
H₂SO₃
FeSO₄
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kiek molių vandenilio išstums iš vandens 4,60 g natrio?
2Na (k) +2H2O(s) --> 2NaOH(aq) + H2(d)
0.20
2.00
0.10
1.00
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kuri medžiaga naudojama muilui gaminti?
NaOH
Ca(OH)₂
Cu(OH)₂
Ba(OH)₂
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Parašykite reakcijos lygtį
SO₃ (d) + H₂O(s)-->
8.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Žemės atmosferoje gali būti įvairių dujų: anglies dioksido CO₂, deguonies O₂, azoto dioksido NO₂, sieros dioksido SO₂. Kurioms iš jų atmosferoje reaguojant su vandeniu susidaro rūgštusis lietus?
CO₂
O₂
NO₂
SO₂
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