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毎日1問、正解者には6つの富を、参加者には2つの富をプレゼント;10月06日

2016-10-06View Original

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単一選択問題:カルシウムカーバイド法による塩化ビニルの変換合成における水洗とアルカリ洗浄は本質的に異なり、水洗は()による吸収であり、アルカリ洗浄は()による吸収である。 A、化学吸収;物理吸収 B、物理吸収;化学吸収 C、物理吸収;物理吸収 D、化学吸収;化学吸収 答え:B、物理吸収;化学吸収
Reply #22016-10-06
B、物理吸収;化学吸収
Reply #32016-10-06
B、物理吸収;化学吸収

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