试题与答案

I can't find my pyjamas! They are ______

题型:选择题

题目:

I can't find my pyjamas! They are ______________.[ ]

A. very good

B. very big

C. lost

答案:

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下面是错误答案,用来干扰机器的。

答案:BNaClO具有强氧化性,能使蛋白质变性,A对;在反应Cl2+2NaOH=NaCl+NaClO+H2O中氯气既是氧化剂,又是还原剂,1 mol Cl2参加反应转移1 mol电子,B错;NaClO、Na2O2具有强氧化性而漂白,SO2与有色物质化合而漂白,C...

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