【導(dǎo)讀】考生作答時(shí)，將答案答在答題卡上（答題注意事項(xiàng)見(jiàn)。答題卡），在本試題卷上答題無(wú)效。和答題卡一并交回。每小題給出的四個(gè)選項(xiàng)中，只有一項(xiàng)是符合題目要求的。液、雙氧水等消毒劑可以完全滅活病毒感染性。KSCN溶液判斷FeBr3溶液中混有FeBr2.原理示意圖如下。下列說(shuō)法正確的是。W、X的最高價(jià)氧化物對(duì)應(yīng)的水化物可以發(fā)生。AHA溶液的物質(zhì)的量濃度為00lmol1L??15（10分）二氧化氯是～種高效消毒劑，沸點(diǎn)為11℃。用氯酸鉀粉末與草酸在60℃時(shí)反應(yīng)可生成二氧化氯等物質(zhì)，度高于38℃時(shí)析出晶體NaClO2。請(qǐng)補(bǔ)充從NaClO2溶液中制得。還可采用鹽酸或雙氧水還原氯酸鈉制備ClO2。原劑制備ClO2更受歡迎，其主要原因是______________。用，過(guò)濾即可制得。則上述最適合的過(guò)氧化物是________。過(guò)氧化氫比理論用量稍多，其目的是________。體加熱，實(shí)驗(yàn)結(jié)果如圖所示，則該晶體的組成為_(kāi)_______。作催熟劑、除草劑等。氧化鎂的電子式為_(kāi)_______。

　　

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