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下列物质属于碱的是（ ）
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高一下学期化学《》真题及答案
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下列物质属于碱的是
碳酸钠
硫酸钾
硝酸镁
氢氧化钙
下列哪种物质属于莨菪烷类生物碱
麻黄碱
苦参碱
可待因
秋水仙碱
阿托品
下列物质中属于碱
HCl
NaCl
NaOH
下列物质中属于碱的是
KOH
ZnO
HNO
3
MgSO
4
下列物质中属于碱的是
KOH
ZnO
HNO
3
MgSO
4
在下列物质中属于天然毒素的有哪些
二恶英
腐胺
皂素
生物碱
下列物质中属于碱的是
纯碱
生石灰
熟石灰
碱式碳酸铜
下列物质属于碱的是
纯碱
碱式碳酸铜
漂白粉
烧碱
对下列物质的分类中正确的是
纯碱不属于碱
CuSO
4
属于氧化物
凡能电离出H.
＋
的化合物均属于酸
盐类物质一定含有金属阳离子
纯碱是常用的化工原料该物质不属于下列物质类别中的
钠盐
碱
碳酸盐
无机物
下列物质中属于碱的是
烧碱溶液
硫酸锌
氢氧化铜
生石灰
下列有关物质的分类正确的是
空气属于化合物
冰水共存物属于混合物
甲烷属于有机物
生石灰属于碱
掌握物质的分类是学好化学的基础指出下列物质中属于碱的是
NaCl
KOH
MgO
Cu
纯碱和小苏打是厨房常备的物质它们属于
酸
碱
盐
前者属于碱，后者属于酸
掌握物质的分类是学好化学的基础指出下列物质中属于碱的是
NaCl
KOH
MgO
Cu
下列物质中属于碱的是
KOH
ZnO
HNO
3
MgSO
4
对物质进行分类是中学生必须要学会的方法下列各物质在分类上正确的是
白磷、白糖、白糕属于单质
KCl、FeSO
4
、KMnO
4
属于盐
纯碱、烧碱、泡花碱属于碱
盐酸、硝酸、次氯酸属于强酸
下列有关物质的组成分类正确的是
空气属于化合物
冰水混合物属于氧化物
由同种元素组成的物质一定是单质
纯碱属于碱
下列物质属于纯净物的是
洁净的空气
洁净的海水
碱式碳酸铜
调味用的食醋
掌握物质的分类是学好化学的基础指出下列物质中属于碱的是
Na
2
CO
3
KOH
MgO
Cu
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直接写出下列各式运算的结果 a2·a6÷a5=
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2x³÷x²÷2x=
计算直接写结果a³³÷a4²=
计算 2x-3y3x+2y-2x-2y2
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若乘积mx+12x-n中x的二次项的系数为1且不含x的一次项则m=n=．
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计算
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将下列各式分解因式 8a3-2aa+12
简便计算0.258×410
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用适当的方法计算 ．
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