草木灰

cǎo mù huī shì zhǒng yǒu jī pǐn

草木灰是种有机品。

Plant ash is an organic product.

cǎo mù huī de chéng fèn shì shén me

草木灰的成分是什么？

What is the composition of plant ash?

cǎo mù huī li de jiǎn xìng wù zhì yǔ yóu zhī li de yìng zhī suān fā shēng le huà xué fǎn ying

草木灰里的碱性物质，与油脂里的硬脂酸发生了化学反应。

The alkalinity matter in plant ash has had the chemical reaction with the stearic acid in the fat.