下列化学方程式符合题意且书写正确的是
侯英超 |
发布日期：2010-06-27 06:13:09
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下列化学方程式符合题意且书写正确的是（ ） A．酸雨呈酸性的原因：CO2+H2O→H2CO3 B．用含氢氧化铝的药物治疗胃酸过多：Al(OH)3+3HCl→AlCl3+3H2O C．除去NaOH溶液中的少量Na2CO3：Na2CO3+2HCl→2NaCl+H2O+CO2↑ D．证明铁是金属活动性顺序表中氢之前的金属：2Fe+6HCl→2FeCl3+3H2↑ |
