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