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