Брагина Римма Зиннуровна, учитель химии, МКОУ СОШ 2 г. Малмыжа
1. FeCl 3 = Fe Cl - ; 2. FeCl 3 = Fe Cl - ; 3. FeCl 3 = Fe Cl - ; 4. FeCl 3 = Fe Cl FeCl 3 = Fe Cl - ; 2. FeCl 3 = Fe Cl - ; 3. FeCl 3 = Fe Cl - ; 4. FeCl 3 = Fe Cl -.
1. Na 3 PO 4 = Na + +PO 4 3- ; 2. Na 3 PO 4 = 3Na + +PO 4 3- ; 3. Na 3 PO 4 = 3Na + +4PO 4 3- ; 4. Na 3 PO 4 = Na 3+ +PO Na 3 PO 4 = Na + +PO 4 3- ; 2. Na 3 PO 4 = 3Na + +PO 4 3- ; 3. Na 3 PO 4 = 3Na + +4PO 4 3- ; 4. Na 3 PO 4 = Na 3+ +PO 4 3-.
1. NaOH = Na + +OH - ; 2. Na 2 S = 2Na + + S 2- ; 3. Al(NO 3 ) 3 = Al NO 3 - ; 4. K 2 CO 3 = 2K + + 3CO NaOH = Na + +OH - ; 2. Na 2 S = 2Na + + S 2- ; 3. Al(NO 3 ) 3 = Al NO 3 - ; 4. K 2 CO 3 = 2K + + 3CO -.
1. Cr 2 (SO 4 ) 3 = 2Cr SO 4 2- ; 2. CaCl 2 = Ca + + Cl 2 - ; 3. K 2 SiO 3 = 2K + + SiO 3- ; 4. Na 2 SO 3 = Na SO Cr 2 (SO 4 ) 3 = 2Cr SO 4 2- ; 2. CaCl 2 = Ca + + Cl 2 - ; 3. K 2 SiO 3 = 2K + + SiO 3- ; 4. Na 2 SO 3 = Na SO 3 2-.
1. Cr 2 (SO 4 ) 3 = 2Cr SO 4 2- ; 2. Ba(NO 3 ) 2 = Ba 2+ + NO 3 2- ; 3. HNO 3 = H + + NO 3 - ; 4. Fe(NO 3 ) 2 = Fe NO Cr 2 (SO 4 ) 3 = 2Cr SO 4 2- ; 2. Ba(NO 3 ) 2 = Ba 2+ + NO 3 2- ; 3. HNO 3 = H + + NO 3 - ; 4. Fe(NO 3 ) 2 = Fe NO 3 -.
1. Ag 3 PO 4 = 3Ag + + PO 4 3- ; 2. Zn 3 (PO 4 ) 2 = 3Zn PO 2- ; 3. CuS = Cu 2+ + S 2- ; 4. BaSO 4 = Ba 2+ + CO Ag 3 PO 4 = 3Ag + + PO 4 3- ; 2. Zn 3 (PO 4 ) 2 = 3Zn PO 2- ; 3. CuS = Cu 2+ + S 2- ; 4. BaSO 4 = Ba 2+ + CO 3 2-.
1. Ag 2 S = 2Ag + + S 2- ; 2. Mg 3 (PO 4 ) 2 = 3Mg PO 8- ; 3. CaSO 3 = Ca SO 2- ; 4. BaSiO 3 = Ba SiO Ag 2 S = 2Ag + + S 2- ; 2. Mg 3 (PO 4 ) 2 = 3Mg PO 8- ; 3. CaSO 3 = Ca SO 2- ; 4. BaSiO 3 = Ba SiO 3 -.
1. KOH и H 2 SO 4 2. Fe 2 O 3 и HCl 3.P 2 O 5 и H 2 O 4.SO 2 и H 2 O 1. KOH и H 2 SO 4 2. Fe 2 O 3 и HCl 3.P 2 O 5 и H 2 O 4.SO 2 и H 2 O
1. Осадок; 2. основание; 3. газ; 4. вода. 1. Осадок; 2. основание; 3. газ; 4. вода.
1. Al 2 (SO 4 ) 3 = 2Al SO 4 2- ; 2. MgCl 2 = Mg Cl - ; 3. Li 2 SiO 3 = 2Li + + SiO 3 2- ; 4. Na 2 CO 3 = Na + + CO Al 2 (SO 4 ) 3 = 2Al SO 4 2- ; 2. MgCl 2 = Mg Cl - ; 3. Li 2 SiO 3 = 2Li + + SiO 3 2- ; 4. Na 2 CO 3 = Na + + CO 3 2-.
1. SO 2 + H 2 O … ; 2. NaOH + HCl … ; 3. Mg + H 2 SO 4 … ; 4. P 2 O 5 + H 2 O … 1. SO 2 + H 2 O … ; 2. NaOH + HCl … ; 3. Mg + H 2 SO 4 … ; 4. P 2 O 5 + H 2 O …
1. KOH = K + + OH - ; 2. Na 2 S = 2Na + + S 2- ; 3. Al(NO 3 ) 3 = Al NO - ; 4. K 2 CO 3 = 2K + + CO KOH = K + + OH - ; 2. Na 2 S = 2Na + + S 2- ; 3. Al(NO 3 ) 3 = Al NO - ; 4. K 2 CO 3 = 2K + + CO 3 2-.
1. HCl ; 2. H 2 S ; 3. H 2 CO 3 ; 4. H 3 PO HCl ; 2. H 2 S ; 3. H 2 CO 3 ; 4. H 3 PO 4.
1. Сu(OH) 2 ; 2. NaCl ; 3. SrCl 2 ; 4. AgCl. 1. Сu(OH) 2 ; 2. NaCl ; 3. SrCl 2 ; 4. AgCl.
1. CuCl 2 = Cu + + 2Cl - ; 2. ZnS = Zn 2- + S 2+ ; 3. FeS = Fe 3+ + S 2- ; 4. NaCl = Na + + Cl CuCl 2 = Cu + + 2Cl - ; 2. ZnS = Zn 2- + S 2+ ; 3. FeS = Fe 3+ + S 2- ; 4. NaCl = Na + + Cl -.
1. Сu(NO 3 ) 2 = Cu NO 3 - ; 2. Сu(NO 3 ) 2 = Cu 2+ + NO 6- ; 3. Сu(NO 3 ) 2 = Cu 2+ + NO 3 - ; 4. Сu(NO 3 ) 2 = Cu + + NO Сu(NO 3 ) 2 = Cu NO 3 - ; 2. Сu(NO 3 ) 2 = Cu 2+ + NO 6- ; 3. Сu(NO 3 ) 2 = Cu 2+ + NO 3 - ; 4. Сu(NO 3 ) 2 = Cu + + NO 3 -.
1. CuCl 2, Fe(OH) 3 ; 2. HNO 3, NaOH ; 3. S, Fe ; 4. H 2 SO 4, CaO. 1. CuCl 2, Fe(OH) 3 ; 2. HNO 3, NaOH ; 3. S, Fe ; 4. H 2 SO 4, CaO.
1. Кислотой и металлом ; 2. Кислотой и оксидом металла ; 3. Кислотой и основанием ; 4. Кислотой и солью. 1. Кислотой и металлом ; 2. Кислотой и оксидом металла ; 3. Кислотой и основанием ; 4. Кислотой и солью.
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