August 2018 2 20 Report
Które pary zwiazkow beda reagowały ze soba?
I.Ca(NO3)2 i Na2CO3
II.AgNO3 i KCl
III.NaCl i KNO3
IV. CaCl2 i Na2SO4

a)I i II
b)I,II i IV
c)tylko III
d)II i IV
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