1
1 | : | S | Ca2+ | Al3+ | Cu2+ |
2 | , =98 /: | ||||
3 | : | ||||
4 | : AlCl3 +NH4OH = Al(OH)3 + NH4Cl : | ||||
5 | : | - | - | ||
6 | , : , , , : | KCl CrO HNO2 NO2 | CaSO4 Cr2O3 H2SiO3 CO2 | Ca(HSO4)2 MgO HNO3 SO2 | FeS CaO HI SO3 |
1 | - : HNO3 + FeS2 → NO2 +Fe(NO3)3 + H2O + SO2 : |
2 | 6,1%- , 1,13/, 0,2 : |
3 | 39 6000. AlCl3. 6,72 (..). 100%, (%) . |
1 | , : H2 → HCl→ Cl2 → KClO3 → KCl → AgCl |
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: .. __________________ _____ _____________20 ___. | : : 060301 | . .. __________________ ____ _________20 ___ . |
2
1 | : | HBr | O2 | Br2 | I2 |
2 | : | K2S | K2Te | K2Se | K2O |
3 | : | ||||
4 | : Al2(SO4)3 +K2S + H2O = Al(OH)3 + H2S + K2SO4 : | ||||
5 | : | - | |||
6 | , : , , , : | Al(OH)3 Cr2O3 CO2 N2O | Al2O3 P2O5 Fe(OH)2 OF2 | CuO NO Zn(OH)2 CO | Ag2O Cl2O Cr(OH)3 N2O3 |
|
|
1 | - : Ca3P2 + KMnO4 + H2O → Ca3(PO4)3 + KOH + MnO2 : |
2 | () 13%- ( 1,2/), 0,35 : |
3 | 50%. . 66. . |
1 | , : Fe→ FeS → H2S → Na2S → CuS →CuO |
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: .. __________________ _____ _____________20 ___. | : : 060301 | . .. __________________ ____ _________20 ___ . |