氰化钠

氰化鈉

qínghuànà

noun #64,913

Meanings

HSK 7-9

氰化钠在金矿提炼中被广泛使用。

Qínghuànà zài jīnkuàng tíliàn zhōng bèi guǎngfàn shǐyòng.

Sodium cyanide is widely used in the extraction of gold ore.

HSK 7-9

氰化钠剧毒，必须严格管理。

Qínghuànà jùdú, bìxū yángé guǎnlǐ.

Sodium cyanide is highly toxic and must be strictly controlled.

memory

Decode by formula: 氰 (qíng, cyano-, CN) + 化 (huà, -ide / chemical combination) + 钠 (nà, sodium, Na). Reading right off the chemistry: CN + Na = NaCN.

mistakes

氰 is qíng (second tone), not qīng. Don't confuse with 清 (qīng, clear) or 氢 (qīng, hydrogen).

氰 qíng

化 huà

钠 nà