挑战习题
1
/5
单选题
难度:
1.下列物质的分类合理的是
A
A
B
B
C
C
D
D
提示1:
5rOo5oSP5LiA5rCn5YyW56Kz5LiN5piv6YW45oCn5rCn5YyW54mp44CC
正确答案:
RA==
QeS4ree6r+eise+8iE5hPHN1Yj4yPC9zdWI+Q088c3ViPjM8L3N1Yj7vvInkuI3mmK/norHvvIzmmK/nm5DvvIzng6fnorHvvIhOYU9I77yJ5piv56Kx77yM5LiN5piv55uQ77yMQemUmeivr++8m0LkuK3kuIDmsKfljJbnorPkuI3mmK/phbjmgKfmsKfljJbnianvvIzmmK/kuI3miJDnm5DmsKfljJbnianvvIxC6ZSZ6K+v77ybQ+S4reawtOS4jeaYr+mFuOaAp+awp+WMlueJqe+8jEPplJnor6/vvJtE5q2j56Gu44CC
2
/5
单选题
难度:
2.下列物质的分类说法中不正确的是
A
Na
2
CO
3
是钠盐、碳酸盐、是正盐
B
NH
4
Cl是一元碱、强碱、也是可溶性碱
C
H
2
SO
4
是含氧酸、二元酸、也是强酸
D
CO
2
是酸性氧化物、也是非金属氧化物
提示1:
Tkg8c3ViPjQ8L3N1Yj5DbOaYr+ebkOOAgg==
正确答案:
Qg==
QeOAgU5hPHN1Yj4yPC9zdWI+Q088c3ViPjM8L3N1Yj7mmK/pkqDnm5DjgIHnorPphbjnm5DjgIHmmK/mraPnm5DvvIzmlYVB5q2j56Gu77ybPGJyPkLjgIFOSDxzdWI+NDwvc3ViPkNs5piv55uQ77yM5pWFQumUmeivr++8mzxicj5D44CBSDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+5piv5ZCr5rCn6YW444CB5LqM5YWD6YW444CB5Lmf5piv5by66YW477yM5pWFQ+ato+ehru+8mzxicj5E44CBQ088c3ViPjI8L3N1Yj7mmK/phbjmgKfmsKfljJbnianjgIHkuZ/mmK/pnZ7ph5HlsZ7msKfljJbnianvvIzmlYVE5q2j56Gu77ybPGJyPuaVhemAiULvvI4=
3
/5
单选题
难度:
3.物质的分类依据通常有组成和性质,下列对钠的化合物的分类的说法中,只考虑组成的是
A
Na
2
O
2
是氧化物,不是碱性氧化物
B
Na
2
CO
3
不是碱,是一种钠盐
C
NaOH是一元碱、强碱
D
NaClO是氧化性盐、含氧酸盐
提示1:
56Kx5oCn5rCn5YyW54mp55qE5Yik5pat5piv5L6d5o2u54mp6LSo55qE5oCn6LSo5p2l5Yik5pat55qE44CC
正确答案:
Qg==
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
4
/5
单选题
难度:
4.Na
2
O、NaOH、Na
2
CO
3
可按某种标准划为同一类物质,下列分类标准正确的是① 钠的化合物;② 能与硝酸反应的物质;④细分为:碱性氧化物、碱、盐;
A
①②
B
①②③
C
②③
D
① ③
提示1:
5pys6aKY6L6D5Li6566A5Y2V77yM5L6d5o2u5omA57uZ5Ye655qE6YCJ6aG55LiA5LiA5Yik5pat5Y2z5Y+v44CC
正确答案:
Qg==
TmE8c3ViPjI8L3N1Yj5P44CBTmFPSOOAgU5hPHN1Yj4yPC9zdWI+Q088c3ViPjM8L3N1Yj7lj6/mjInmn5Dnp43moIflh4bliJLkuLrlkIzkuIDnsbvnianotKjvvIzliJnmoLnmja7nianotKjnmoTnu4TmiJDlkozmgKfotKjlj6/nn6XvvIzpgInpobnikaDikaHikaLpg73mmK/mraPnoa7nmoTvvIznrZTmoYjpgIlC44CC
5
/5
单选题
难度:
5.Na
2
O、NaOH、Na
2
CO
3
、NaCl、Na
2
SO
4
可按某种标准划为一类物质,下列分类标准正确的是①钠的化合物;
②能与硝酸反应的物质;
③可溶于水的物质;
④钠盐;
⑤钠的含氧化合物;
A
①③④⑤
B
①②⑤⑥
C
②⑤⑥
D
①③④
提示1:
TmE8c3ViPjI8L3N1Yj5P5Lya5LiO5rC05Y+R55Sf5Y+N5bqU77yM5Zug6L+Z5Liq5Y+N5bqU6ICM5Y+v5rq25LqO5rC044CC
正确答案:
RA==
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