能使燃着的木条越烧越旺的是氧气，被点燃的是氢气和一氧化碳。然后再用澄清的石灰水检验燃烧生成的气体。因为一氧化碳燃烧会生成二氧化碳。
néng shǐ ránzháo de mùtiáo yuè shāo yuè wàng de shì yǎngqì ，bèi diǎnrán de shì qīngqì hé yīyǎnghuàtàn 。ránhòu zài yòng chéngqīng de shíhuīshuǐ jiǎnyàn ránshāo shēngchéng de qìtǐ 。yīnwèi yīyǎnghuàtàn ránshāo huì shēngchéng èryǎnghuàtàn 。
The one that can make the wooden splint burn brighter and brighter is oxygen. The ones that ignited were hydrogen and carbon monoxide. Afterward, use the settled limewater again to test the gas produced by the burning. Because carbon monoxide produces carbon dioxide when burned.