Keemia: Question Preview (ID: 15819)


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Milline neist on oksiid?
a) H2SO4 b) CaO c) Ca(OH)2 d) NaCl
Milline neist on hape?
a) FeCl3 b) KOH c) H2SO4 d) Na2S
Milline neist on alus?
a) FeCl3 b) H2S c) H2SO3 d) LiOH
Milline neist on sool?
a) Na2CO3 b) H3PO4 c) H2CO3 d) Ca(OH)2
3Ca(OH)2+2H3Po4 = ?
a) ?=CaPO4 + H2O b) Ca3(PO4)2 + 6H2O c) Ca3(PO4) + H2O d) CaPo4 +H2O
Millised metallid reageerivad HCl - iga?
a) Pt b) Hg c) Au d) Zn
Mis olekus on tavatingimustes Hg ?
a) vedel b) gaasiline c) tahke d) ei tea
Vask ?
a) Co b) Cr c) Cu d) Cd
N2O3 ?
a) dilämmastiktrioksiid b) trilämmastikdioksiid c) tetralämmastikpentaoksiid d) dilämmastikpentaoksiid
H2SO4 ?
a) sulfiidhape b) väävlishape c) Väävelhape d) izopropanool
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