皮皮学，免费搜题
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【单选题】
吸附指示剂法，加入糊精或淀粉的作用是：
A.
防止AgX胶态沉淀转化;
B.
防止AgX胶态沉淀见光分解
C.
滴定前，防止AgX胶态沉淀与指示剂接触
D.
防止AgX胶态沉淀的凝聚
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参考解析：
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