本课配套习题挑战模式1/5
下列关于钠的氧化物的叙述不正确的是
A: Na2O2是黄色固体,和冷水作用得到O2和NaOH |
B: Na2O2与CO2的反应中,Na2O2既是氧化剂,又是还原剂 |
C: Na2O2中阴离子化合价为-1价 |
D: 都能与酸反应,生成含氧酸盐,都是碱性氧化物 |
- 提示1:PHA+6L+H5rCn5YyW6ZKg5LiN5piv56Kx5oCn5rCn5YyW54mp44CCPC9wPg==
- 答案:RA==
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
本课配套习题挑战模式2/5
A: CaCl2 |
B: Ca(OH)2 |
C: NaCl |
D: Na2O2 |
- 提示1:5pys6aKY6ICD5p+l55qE5pivTmE8c3ViPjI8L3N1Yj5PPHN1Yj4yPC9zdWI+55qE55So6YCU44CC
- 答案:RA==
TmE8c3ViPjI8L3N1Yj5PPHN1Yj4yPC9zdWI+K0NPPHN1Yj4yPC9zdWI+PU5hPHN1Yj4yPC9zdWI+Q088c3ViPjM8L3N1Yj4rTzxzdWI+Mjwvc3ViPu+8jOaVhemAiUTjgII=
本课配套习题挑战模式3/5
A: H2 |
B: CO |
C: C6H12O6 |
D: C12H22O11 |
- 提示1:5qC55o2uTmE8c3ViPjI8L3N1Yj5PPHN1Yj4yPC9zdWI+4oaSMk5hT0jlkoxOYTxzdWI+Mjwvc3ViPk88c3ViPjI8L3N1Yj7ihpJOYTxzdWI+Mjwvc3ViPkNPPHN1Yj4zPC9zdWI+5Lik5Liq5Y+N5bqU5Y+v55+l77yM5LiO5LqM5rCn5YyW56Kz5Y+N5bqU5a6e6ZmF5aKe6YeN5pivQ0/lnKjmsKfmsJTkuK3nh4Png6dDT+eahOmHj++8jOS4juawtOWPjeW6lOWunumZheWinumHjeaYr+awouawlOWcqOawp+awlOS4reeHg+eDp+awouawlOeahOi0qOmHj+OAgg==
- 答案:RA==
5qC55o2uTmE8c3ViPjI8L3N1Yj5PPHN1Yj4yPC9zdWI+4oaSMk5hT0jlkoxOYTxzdWI+Mjwvc3ViPk88c3ViPjI8L3N1Yj7ihpJOYTxzdWI+Mjwvc3ViPkNPPHN1Yj4zPC9zdWI+5Y+v55+l77yM6KaB5ruh6Laz5Y+N5bqU5ZCO5Zu65L2T55qE6LSo6YeP5oGw5aW95Lmf5aKe5Yqg5LqGPGk+YTwvaT4gZ++8jOWImeeJqei0qOW6lOivpea7oei2syhDTyluKEg8c3ViPjI8L3N1Yj4pbe+8jOaJgOS7pemAiemhuUTkuI3og73mu6HotrPvvIznrZTmoYjpgIlE44CC
本课配套习题挑战模式4/5
A: Na2CO3溶液 |
B: FeCl3溶液 |
C: 饱和Ca(OH)2溶液 |
D: CuSO4溶液 |
- 提示1:6L+H5rCn5YyW6ZKg5LiO5rC05Y+N5bqU55Sf5oiQTmFPSO+8jOimgeiAg+iZkeawouawp+agueemu+WtkOeahOW9seWTje+8jOWQjOaXtuazqOaEj+WPjeW6lOa2iOiAl+S6huawtOOAgg==
- 答案:QQ==
QeS4reeUn+aIkOawouawp+WMlumSoOWSjOawp+awlO+8jOayoeacieayiea3gOOAgjxicj5C5Lit5Lqn55Sf55qE5rCi5rCn5YyW6ZKg5ZKM5rCv5YyW6ZOB5Y+N5bqU55Sf5oiQ5rCi5rCn5YyW6ZOB5rKJ5reA44CCPGJyPkPkuK3nlLHkuo7mtojogJfmurbliYLmsLTvvIzkuJTlj43lupTmlL7ng63vvIzmiYDku6XkvJrmnpDlh7rmsKLmsKfljJbpkpnlm7rkvZPjgII8YnI+ROS4reeUn+aIkOawouawp+WMlumTnOayiea3gO+8jOaJgOS7peetlOahiOmAiUHjgII=
本课配套习题挑战模式5/5
在120℃的条件下,总质量为2.1 g的CO与H2的混合气体在足量的O2中充分燃烧,然后通过足量的Na2O2固体,固体增加的质量为
A: 7.2g |
B: 4.2g |
C: 2.1g |
D: 3.6g |
- 提示1:PHA+Q0/kuI7msKLmsJTlnKjmsKfmsJTkuK3nh4Png6fnlJ/miJBDTzxzdWI+Mjwvc3ViPuS4jkg8c3ViPjI8L3N1Yj5P77yM54S25ZCO5Zyo6ICD6JmR6L+H5rCn5YyW6ZKg5aKe6YeN55qE5pys6LSo44CCPC9wPg==
- 答案:Qw==
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