搜索 - 科创

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下面的黑火药点燃使温度达到一定，从而使kmno4分解出氧气，这样就使黑火药在氧气中燃烧，加大火药的推力。不过这只是猜想，实验并没有太大变化。

体育考试在即.问下吸纯氧是否可以达到提高体育成绩的效果...还有就是如果直接用H2O2+MnO2制出来的会带有H2O2.味道不好.问下是否可以用变色硅胶干燥.

[ 硝酸镍....用途就不说了... 很HX MNT.....硝酸直接硝化的....大汗培养皿....开始玩生物了.... 制备硝酸肼的制备SO3的国旗~40........看看我爱国吧...

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