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- ?? ?? ????? ????? ??? ??? ????? ???????? (III) ????? ???? ???? ????????? ?? ?????? ????????? ????????????? ??????? ???????????? ?? ???? ????/???? ?? ?? ???? ????? ????? ≥? ???? ??????? ??? ????? ????????? ???? ????? ????? ????? ????? ??????? ????.
- ?? ?? ????? ????? ??? ???? ??? ????? ??????? ?????? ???????? (III) ????? ???? ????/??? ??? ???? ?? ????? ??????? ???? ??????? ?????.
- ?? ?? ????? ????? ??? ???? ??? ????? ??????? ?? ?????? ??????/??? (?? ?? ????? ?????? ???? ????/??)? ??? ???? ??????? ?? ??? ????????? ?????? — ??????? ?? ????? ??? ??????? ??? ???????? ?? ???? ?????? ?? ????? ?? ????????? ?? ??????? ???????.
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- ??????? ??? ????? ????? ???????? (III) ?????? ??????? ??? ???? ???? ?????? ?????? ?? ??????? ??? ???????? ???? ????? ?? ???? ?????? ?? ????? ??????? ?? ??????? ???????.
- ???? ??? ????? ????? ??? ????? ???????? (III) ???? ?????? (???)? ???? ?????? ?????? ?? ????????? ???????? ??? ?????? ????????? ????????????? ??????? ???????????.
- ??? ????? ???????? (III) ??????? ?????? ??? ??? ????? ??????? ???????? ?? ?????? ????? ?? ???????? ????????? ??? ???????? ?????????? ???????.
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- ???? ????? ???? ???? ??? ?????? ?????? ?????? ???????? (III)? ??? ???? ??? ??? ?? ??????? ???????.
- ???? ??????? ?????? ????? ?????? ?? ???????? ?????? ??????? ???????? ??? ???? ????? ??? ???? ??? ????? ??????? ??? ?? ???????? ????????.
- ??? ?????? ???????? ????? ??? ????? ????? ??????? ?????? ???? ???? ?? ???? ??????? ???????? ?????????? ??????? ?? ?????.
- ??? ?????:
- ????????? ???? ??? ????? ?????? ?????? ??????? ????? ???????? (III) ??? ???? ???? ?? ???????? ?????????? ??????? ??????? ???????????.
- ??? ????? ??????? ??????? ???????? ????? ????? ???????? ??? ????? ???????? (III) ???? ?????? ??????? ??????.
- ??? ?? ?????? ?????? ??????? ?????? ??????? — ????? ???? ???????? ?????????? — ???? ??? ??? ????? ?????? ???????? (III) ?? ??????? ?????? ???????????.
??????: ???????? ????????
- ?????? ?????????:
- ??? ????? ????? ??????? ??????? ???? ????? ????? ???????? (III) ?? ??????? ?????? ????????? ??? ????? ??????? ????????? ??? ??????? ?????? ??? ?????? ??????.
- ??? ??????? ???????? ?????? ????? ?? ???????? ?????? ??????? ??????? — ????? ????? ??????? ?????? ??? ?????? ?????? ????? ???????? ??????????? ???????? ????? ?????? ???????.
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- ????? ???? ?????????? ??????? ???????? (??????) ?????? ??????? ???????? ?????????? ?? ????? ?????? ??????? ??????? ????????? ?????? ????? ??? ?????????? ?? ???? ????? ?????? ?? ?????? ??? ????? ???????? (III).
- ??????? ??? ??????????? ?? ????? ???? ?????? ????? ????? ?????? ??????? ??? ????? ?????????? ???????? ????? ??????? ??????? ?????? ?????????.
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- ?????? ??????? ???????:
- ???? ????? ????? ???????? (III) ?????? ?????? ??? ????? ??????? ??? ??????? ??????? ?? ??????? ??? ??????? ???????? ?? ?????? ??????????.
- ??? ?????? ?? ???? ????? ???????? ??????? ???? ?????? ?????? ??????? ?????? ????? ??? ??????? ?????? ????? ??? ????? ???????? (III) ???? ?????? ??????? ?????? — ?? ?? ???? ?????? ??????? ??? ????? ??? ???????? ??? ?????.
- ????? ????? ??????:
- ?? ???? ?????: ???? ???? ???? ?? ??????? ??????? ??????? ??? ????? ??????? ???????? ??? ???? ???? ?????? ????? ?????? ????????? ?? ???? ???? ??????? ?????? ?? ?????.
- ??? ???? ?????: ???? ????? ?? ???????? ????????? ????? ????????? ????? ????? ???????? ??????? ?????? ????? ????? ???????.
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- ???????? ??? ????? ??????:
- ?? ??????? ?? ??? ??????? ?????? ?????? ??? ????? ??????? ??? ?????? ????? ???? ??????? ?? ??????? ??? ???????? ??? ????? ?????? ?????????? ????????.
- ??????? ????? ??????? ???????? ?????? ???????? ???????? ??????? ?????? ??????? ?? ??? ????? ??? ????? ???????? (III) ???? ?????? ??????? ??????.
- ???????? ??? ????? ??????:
- ???? ????? ??????? ????? ????? ????? ???????? (III) ????? ???????? ????? — ?? ?????? ?????? ??? ????? ??? ?????? ?????? ??? ???????????.
- ??????? ??????? ???? ????? ????? ???????? ???? ?????? ????? ???? ???????? ?? ???? ?????? ?????? ?????? ??? ??????? ??????? ??????? ???????? ???????.
- ??? ?? ????? ?? ?????? ?????? ??????? — ????? ???????? ?????????? — ????? ????? ?????? ??????? ?? ???? ?????? ??????? ?????? ????? ???????? (III).
Ferric oxide occurs in nature as the mineral hematite. It is the principal ore of iron from which the metal and its alloys are produced. Also, this oxide occurs in the mineral, limonite, 2Fe2O3•3H2O. An important application of this compound involves producing red, orange, and yellow pigments. Other applications are in coatings for metals, steel and rubber; in ceramics; and as a catalyst for oxidation reactions.
Hematite is a noncombustible, black to black red or brick-red mineral (iron ore) composed mainly offerric oxide, Fe2O3. Ferric oxide
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