
Alused, lahuste pH-skaala
Authored by Maarja Kruus
Chemistry
8th - 9th Grade
Used 135+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on alused?
Ained, mis annavad lahusesse vesinikioone.
Ained, mis annavad lahusesse hüdroksiidioone.
Ained, mis koosnevad (aluse) katioonidest ja (happe) anioonidest.
Ained, mis koosnevad hapnikust ja mõnest teisest elemendist.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millised neist on hüdroksiidi valemid?
CH3OH, HClO3, HNO2
NaCl, CuCl2, AlCl3
P4O10, Li2O, SO3
Mg(OH)2, NaOH, KOH
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Millised nendest hüdroksiididest on leelised? (2 õiget vastust)
Al(OH)3, Mg(OH)2
Cu(OH)2, Fe(OH)3
RbOH, NaOH
Ba(OH)2, LiOH
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mis on raud(II) hüdroksiidi valem?
Fe(OH)2
Fe(OH)3
Fe2OH3
Fe3(OH)2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mis on kaltsiumhüdroksiidi valem?
CaOH
Ca(OH)2
Ca(OH)3
Ca2OH
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mis on liitiumhüdroksiidi valem?
LiOH
Li(OH)2
Li2OH
Li(OH)3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mis on KOH nimetus?
Kaaliumhüdroksiid
Kaltsiumhüdroksiid
Kaalium(II)hüdroksiid
Kaltsium(II)hüdroksiid
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