December 2018 2 11 Report
Podaj nazwy reagentów:
a). ZnO+H{ _{2} } ---> Zn+H{ _{2} } O
b). CaCO{ _{3} } --> CaO + CO{ _{2} }
c). Ba+ Cl{ _{2} } -->BaCl{ _{2} }
d). Na{ _{2}S } + Pb(NO{ _{3}) _{2} } --> PbS + 2NaNO{ _{3}
e). 4Li + O{ _{2} --> 2Li{ _{2}O
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