本课配套习题挑战模式1/5
下列物质的变化中,只有加酸才能一步实现的是( )
A: CaCO3→CO2 |
B: Zn→ZnSO4 |
C: CuO→CuCl2 |
D: KOH→KCl |
- 提示1:PHA+5qC55o2u6L2s5YyW5Lit5Y6f54mp6LSo55qE5oCn6LSo5Y+K5Y+Y5YyW6KeE5b6L77yM5YiG5p6Q5a6M5oiQ6L2s5YyW6ZyA6L+b6KGM55qE5Y+N5bqU77yM5LuO6ICM5b6X5Ye65Y+q5pyJ5Yqg5YWl55uQ6YW46L+Z5LiA6YCU5b6EPGJyPjwvcD4=
- 答案:Qw==
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
本课配套习题挑战模式2/5
向CuO和铁粉的混合物中加入一定量的稀硫酸,微热,充分反应后冷却、过滤,在滤液中放入一枚洁净的铁钉.发现铁钉表面无任何变化,据此判断,下列结论正确的是( )
A: 滤液中一定含有FeSO4,可能含有H2SO4 |
B: 滤液中可能有CuSO4 |
C: 滤渣里一定有Cu,可能有Fe和CuO |
D: 滤渣里一定有Cu和Fe |
- 提示1:PHA+5qC55o2u6YeR5bGe5rS75Yqo6aG65bqP5Y+v55+l5ZCR5ruk5ray5Lit5Yqg5YWl6JaE6ZOB54mH77yM6ICM5rCn5YyW6ZOc5Y+v5Lul5ZKM56Gr6YW45Y+N5bqU55Sf5oiQ56Gr6YW46ZOc77yM6ZOB5Y+v5Lul56Gr6YW46ZOc5Y+N5bqU6ZOB54mH5peg5Lu75L2V5Y+Y5YyW77yM6K+05piO5rKh5pyJ56iA56Gr6YW477yM5Lmf5rKh5pyJ56Gr6YW46ZOcPGJyPjwvcD4=
- 答案:Qw==
PHA+6Kej77yaQeOAgemTgeWPr+S7peWSjOehq+mFuOWPjeW6lOeUn+aIkEZlU088c3ViPjQ8L3N1Yj7vvIzmiYDku6XlnKjmu6TmtrLkuK3kuIDlrprlkKvmnIlGZVNPPHN1Yj40PC9zdWI+77yM5L2G5piv5Yqg5YWl6ZOB6ZKJ5ZCO6ZOB54mH5rKh5pyJ5piO5pi+5Y+Y5YyW77yM5omA5Lul5Y+v5Lul5Yik5pat5ruk5ray5Lit5rKh5pyJSDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+77yM5pWFQee7k+iuuuS4jeato+ehru+8mzxicj5C44CB5Zyo5ruk5ray5Lit5pS+5YWl5LiA5p6a5rSB5YeA55qE6ZOB6ZKJ77yO5Y+R546w6ZOB6ZKJ6KGo6Z2i5peg5Lu75L2V5Y+Y5YyW77yM5omA5Lul5Y+v5Lul5Yik5pat5ruk5ray5Lit5rKh5pyJQ3VTTzxzdWI+NDwvc3ViPu+8jOaVhULnu5PorrrkuI3mraPnoa7vvJs8YnI+Q+OAgeWKoOWFpemTgemSieWQjuayoeacieaYjuaYvuWPmOWMlu+8jOivtOaYjuawp+WMlumTnOWSjOehq+mFuOWPjeW6lOeUn+aIkOeahOehq+mFuOmTnOiiq+mTgee9ruaNouWHuuadpe+8jOaVheWcqOS4jea6tueJqeS4reWQq+aciUN177yM5aaC5p6c56Gr6YW455qE6YeP5LiN6Laz77yM6YKj5LmI5ruk5rij6YeM5bCx5Y+v6IO95pyJRmXlkoxDdU/vvIzmlYVD57uT6K665q2j56Gu77ybPGJyPkTjgIHliqDlhaXpk4HpkonlkI7msqHmnInmmI7mmL7lj5jljJbvvIzor7TmmI7msKfljJbpk5zlkoznoavphbjlj43lupTnlJ/miJDnmoTnoavphbjpk5zooqvpk4Hnva7mjaLlh7rmnaXvvIzmlYXlnKjkuI3murbniankuK3lkKvmnIlDde+8jOmimOS4reayoeacieaPkOWPiumTgeeyieeahOi0qOmHj++8jOaJgOS7peWPjeW6lOWQjua7pOWHuueahOS4jea6tueJqeS4reWPr+iDveWQq+aciUZl5Lmf5Y+v6IO95LiN5ZCrRmXvvIzmlYVE57uT6K665LiN5q2j56Gu77yOPGJyPuaVhemAiUM8YnI+PC9wPg==
本课配套习题挑战模式3/5
酸溶液中都含有大量H+,因此不同酸表现出一些共同性质,下列关于盐酸性质的描述中,不属于酸的共同性质的是( )
A: 能使紫色石蕊试液变为红色 |
B: 能与氢氧化钠溶液反应生成水 |
C: 能与硝酸银溶液反应生成白色沉淀 |
D: 能与锌反应生成氢气 |
- 提示1:PHA+5qC55o2u6YW45rq25ray5Lit6YO95ZCr5pyJSDxzdXA+Kzwvc3VwPu+8jOWboOatpOS4jeWQjOeahOmFuOihqOeOsOWHuuS4gOS6m+WFseWQjOeahOaAp+i0qO+8jOWmgumFuOiDveS4jumFuOeiseaMh+ekuuWJguOAgea0u+azvOmHkeWxnuOAgemHkeWxnuawp+WMlueJqeOAgeeiseOAgeeis+mFuOebkOetieWPjeW6lOetiTxicj48L3A+
- 答案:Qw==
PHA+6Kej77yaQeOAgeebkOmFuOiDveS9v+e0q+iJsuefs+iViua6tua2suWPmOe6ou+8jOWFtuWug+mFuOS5n+iDveS9v+e0q+iJsuefs+iViua6tua2suWPmOe6ou+8jOWxnuS6jumFuOeahOWFseWQjOaAp+i0qO+8jOaVhemAiemhuemUmeivr++8mzxicj5C44CB55uQ6YW46IO95LiO5rCi5rCn5YyW6ZKg5rq25ray5Y+N5bqU55Sf5oiQ5rC077yM6YW46IO95LiO56Kx5Y+R55Sf5Lit5ZKM5Y+N5bqU77yM5YW25a6D6YW45Lmf6IO95LiO5rCi5rCn5YyW6ZKg5rq25ray5Y+N5bqU55Sf5oiQ5rC077yM5bGe5LqO6YW455qE5YWx5ZCM5oCn6LSo77yM5pWF6YCJ6aG56ZSZ6K+v77ybPGJyPkPjgIHnm5Dphbjog73kuI7noZ3phbjpk7bmurbmtrLlj43lupTnlJ/miJDmsK/ljJbpk7bmsonmt4DvvIzooajnjrDkuLrmsK/nprvlrZDnmoTnibnlvoHvvIzlm6DmraTnoavphbjjgIHnoZ3phbjnrYnkuI3og73kuI7noZ3phbjpk7bmurbmtrLlj43lupTnlJ/miJDmsK/ljJbpk7bmsonmt4DvvIzliJnor6XmgKfotKjkuI3lsZ7kuo7phbjnmoTlhbHlkIzmgKfotKjvvIzmlYXpgInpobnmraPnoa7vvJs8YnI+ROOAgeebkOmFuOiDveS4jua0u+azvOmHkeWxnuWPjeW6lOS6p+eUn+awouawlO+8jOWFtuWug+eahOmFuOS5n+iDveS4jua0u+azvOmHkeWxnuWPjeW6lOS6p+eUn+awouawlO+8jOWxnuS6jumFuOeahOWFseWQjOaAp+i0qO+8jOaVhemAiemhuemUmeivr++8mzxicj7mlYXpgInvvJpDPGJyPjwvcD4=
本课配套习题挑战模式4/5
如图以稀硫酸为例的反应关系体现了酸的化学性质.下列说法正确的是( )
A: X所表示的物质类别是盐 |
B: 图中涉及到置换、化合、复分解三种基本反应类型 |
C: 图中能生成盐的反应包括②③④⑤ |
D: 若X溶液既能跟稀硫酸反应,又能跟Ca(OH)2反应,则X可能是BaCl2 |
- 提示1:PHA+5L6d5o2u6YW455qE6YCa5oCn5Lul5Y+K5aSN5YiG6Kej5Y+N5bqU55qE5Y+R55Sf5p2h5Lu25ZKM5Zub56eN5Z+65pys5Y+N5bqU57G75Z6L55qE5pyJ5YWz6Zeu6aKY5YiG5p6Q6Kej562UPGJyPjwvcD4=
- 答案:QSxD
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
本课配套习题挑战模式5/5
下列关于酸的说法错误的是( )
A: 浓硫酸具有吸水性,浓盐酸具有挥发性 |
B: 稀盐酸和稀硫酸都可用于金属除锈 |
C: 稀盐酸能够使紫色石蕊溶液和无色酚酞溶液都变红色 |
D: 稀硫酸能够与活泼金属反应制取氢气 |
- 提示1:PHA+5qC55o2u56Gr6YW45ZKM55uQ6YW455qE5oCn6LSo5YiG5p6Q6Kej562UPGJyPjwvcD4=
- 答案:Qw==
PHA+6Kej77yaQeOAgea1k+ehq+mFuOWFt+acieWQuOawtOaAp++8jOa1k+ebkOmFuOWFt+acieaMpeWPkeaAp++8jOato+ehru+8mzxicj5C44CB56iA55uQ6YW45ZKM56iA56Gr6YW46YO95Y+v5LiO6YeR5bGe5rCn5YyW54mp5Y+N5bqU77yM6YO95Y+v55So5LqO6YeR5bGe6Zmk6ZSI77yM5q2j56Gu77ybPGJyPkPjgIHml6DoibLphZrphZ7murbmtrLpgYfphbjkuI3lj5joibLvvIzplJnor6/vvJs8YnI+ROOAgeeogOehq+mFuOiDveWkn+S4jua0u+azvOmHkeWxnuWPjeW6lOWItuWPluawouawlO+8jOato+ehru+8jjxicj7mlYXpgIlDPGJyPjwvcD4=