探究唾液对淀粉的消化实验装置与步骤如图本实验结果为1号试管加碘液后 2号试管加碘液后有消化作用.a.变蓝不变蓝淀粉b.变蓝不变 Template




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tomski探究唾液对淀粉的消化实验装置与步骤如图本实验结果为1号试管加碘液后 2号试管加碘液后有消化作用.a.变蓝不变蓝淀粉b.变蓝不变 coloring