Group 1, Oddiy moddalar, Kislorod, azot, oltingugurt, yod, kaliy, natriy , ftor, magniy, vodorod, Group 2, Murakkab moddalar, suv, kaliy permanganat, sulfat kislota, nitrat kislota, karbonat angidrid, havo, xlorli ohak, osh tuzi, ichimlik sodasi.

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