下列设计方案可行，且化学方程式书写正确的是（）A．用Al(OH)3治疗胃酸过多症：Al(OH)3+3HCl==AlCl3+3H2OB．实验室用稀硫酸与铜片反应制取H2：Cu+H2SO4==CuSO4+

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