Vee karedust põhjustavad ____ ja ____ soolad.

Vee karedus, ehitusmaterjalid ja keskkonnaprobleemid

Quiz
•
Chemistry
•
9th Grade
•
Hard
Liivi Kivimäe-Bondarev
Used 28+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kaltsiumi ja magneesiumi
naatriumi ja kaaliumi
mangaani ja kaaliumi
kloriidi ja karbonaat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis riigi rahvuskiviks on paekivi?
Soome
Eesti
Rootsi
Norra
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Millised järgmistest katioonidest ei põhjusta vee karedust?
H+
Na+
Ca2+
Mg2+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on katlakivi peamine koostisosa?
Na2CO3
CaCO3
MgSO4
H2CO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline järgnevaist ei ole klaasi tooraine?
Na2CO3
CaCO3
SiO2
H2CO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kus võib tekkida katlakivi?
järve põhja
veeklaasi
veeboileri välispinnale
veega kokkupuutes olevatele küttekehadele
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida on kirjeldatud? Kindla koostisega aine, millest koosnevad kivimid
kivim
mineraal
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