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Keemia
Test Description: Minu esimene m2ng
Instructions: Answer all questions to get your test result.
1) Milline neist on oksiid?
A
CaO
B
Ca(OH)2
C
NaCl
D
H2SO4
2) Milline neist on hape?
A
FeCl3
B
Na2S
C
KOH
D
H2SO4
3) Milline neist on alus?
A
FeCl3
B
H2S
C
LiOH
D
H2SO3
4) Milline neist on sool?
A
Na2CO3
B
H2CO3
C
H3PO4
D
Ca(OH)2
5) 3Ca(OH)2+2H3Po4 = ?
A
Ca3(PO4) + H2O
B
CaPo4 +H2O
C
?=CaPO4 + H2O
D
Ca3(PO4)2 + 6H2O
6) Millised metallid reageerivad HCl - iga?
A
Pt
B
Au
C
Zn
D
Hg
7) Mis olekus on tavatingimustes Hg ?
A
vedel
B
gaasiline
C
ei tea
D
tahke
8) Vask ?
A
Cd
B
Co
C
Cu
D
Cr
9) N2O3 ?
A
dilämmastikpentaoksiid
B
trilämmastikdioksiid
C
tetralämmastikpentaoksiid
D
dilämmastiktrioksiid
10) H2SO4 ?
A
Väävelhape
B
väävlishape
C
sulfiidhape
D
izopropanool
*select an answer for all questions
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