写出下列反应的离子方程式。(1)铝与稀盐酸反应:__________________________(2)铝片放入氢氧化钠溶液

写出下列反应的离子方程式。(1)铝与稀盐酸反应:__________________________(2)铝片放入氢氧化钠溶液中:________________________(3)氯气通入饱和石灰水中: ________________________(4)氧化铝与氢氧化钠溶液反应: ________________________(5)钾与水反应:________________________ (6)把铁片放入氯化铁溶液中:________________________(7)铜片与硫酸铁溶液反应:________________________ (8)浓硝酸与铜反应:________________________

(1)2Al+6H + ==2Al 3+ +3H 2
(2)2Al+2OH - +2H 2 O==2AlO 2 - +3H 2
(3)2OH - +Cl 2 ==Cl - +ClO - +H 2 O
(4)Al 2 O 3 +2OH - ==2AlO 2 - +H 2 O
(5)2K+2H 2 O==2K + +2OH - +H 2
(6)Fe+2Fe 3+ ==3Fe 2+
(7)Cu+2Fe 3+ ==2Fe 2+ +Cu 2+
(8)Cu+4H + +2NO 3 - ==Cu 2+ +2NO 2 ↑+2H 2 O

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