obshaya ximiya
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obshaya ximiya testi №1 glava predmeta-1; razdel predmeta -1; uroven slojnosti-1 kakie iz sleduyushix veshestv otnosyatsya k daltonidam? 1) sio2; 2) fes; 3) h2o; 4) hi; 5) v o; 6). co2 3, 4, 6 1, 2, 5 1, 3, 4, 5 2, 6 №2 glava predmeta-1; razdel predmeta -1; uroven slojnosti-1 kakie iz sleduyushix veshestv otnosyatsya k bertollidam? 1) sio2; 2) fes; 3) so2; 4) h2o; 5) nacl.; 6) nh3 1, 2, 5 2, 4, 6 1, 3, 4, 5 2, 6 №3 glava predmeta-1; razdel predmeta -1; uroven slojnosti-1 kakie iz sujdeniy pravilni? 1. v fizicheskix protsessax soxranyayutsya i molekuli i atomi. 2. v fizicheskix protsessax molekuli ne soxranyayutsya, a atomi soxranyayutsya. 3. v ximicheskix protsessax molekuli ne soxranyayutsya, …
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