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<description>自然科学 /  / 化学</description>
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    <title>初三化学</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50105.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
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<item>
    <title>金可以与什么物质发生反应?</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50104.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
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<item>
    <title>哪位高手能重新给化学术语“燃烧”准确定义？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50103.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
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<item>
    <title>化学高高手</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50102.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
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<item>
    <title>氢氯酸就是氯化氢气体溶于水吗,那和盐酸有什么区别</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50101.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>化学电子转移问题</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50100.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>合金是金属晶体吗</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50099.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>Al2O3与NaOH反应可否产生沉淀</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50098.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>关于化学的2个问题</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50097.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>急！！！！！</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50096.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>融沸点的问题</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50095.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>高二化学平衡</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50094.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>化学实验中必须注意的问题</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50093.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>初二化学问题</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50092.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>在常温常压下，用铂作电极，电解CuSO4溶液，通电一段时间后，切断电源，一个电极的质量增加了0.12</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50091.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>用质量均为100克的铜做电极，电解AgNO3溶液，电解一段时间后，两极质量差为28克，此时阳极质量为</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50090.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>高中化学实验室药品补充计划``急```急````急```</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50089.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>寻求初三化学题</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50088.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>有关离子检验</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50087.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>化学的稀释问题</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50086.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>谁能回答我的化学问题?</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50085.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>高二化学</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50084.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>为什么电子层的第一层是K层？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50083.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>高一的化学题中如何区分“浓度”是量浓度还是溶质质量分数</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50082.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>为什么斐林试剂水浴</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50081.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>请教一初中化学题目</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50080.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>请教一个初中的化学题目</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50079.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>甲苯与混酸反应的产物是什么？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50078.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>硒是对人体非常重要的微量元素吗</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50077.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>降解，分解，水解分别是什么意思？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50076.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>氧气</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50075.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>关于肥料</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50074.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>坐标图</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50073.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>鸡蛋黄中富含什么元素,新生儿食用有利于大脑发育</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20071002/50072.html</link>
    <description></description>
    <pubDate>2007-10-02</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>化学式</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49415.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>西安化学中考题难吗</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49414.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>请教化学式</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49413.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>F2和什么气体反应是吸热反应？且生成物为气态？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49412.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>氰化钠库设在厂区内设么位置和适？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49411.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>高中化学里要用棕色瓶装的药品都有哪些?</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49410.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>液态二氧化碳怎么提取和保存？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49409.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>有机化学计算[急！]</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49408.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>有谁知道'试金石'的成分?</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49407.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>hx 化学</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49406.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>什么是聚戊酮类？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49405.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>化学题，高手请</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49404.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>三氯化磷夏季怎样储存？</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49403.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>请问一道化学题.</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49402.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>化学简单问题 为什么灯泡要充氮气</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49401.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
</item>
<item>
    <title>关于化学滴定</title>
    <link>http://kdata.cn/html/natural_science/chemistry/20070616/49400.html</link>
    <description></description>
    <pubDate>2007-06-16</pubDate>
    <category>化学</category>
    <author>秩名</author>
    <comments>科学知识网</comments>
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