weak base; mild alkali
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
weak base; a base that only partially dissociates in aqueous solution to produce hydroxide ions
technicalChemistry term. The strength of a base is determined by its degree of dissociation in water. Contrasts with strong bases (强碱) that dissociate completely. Common examples include ammonia water and ammonium hydroxide.
Ān氨
shuǐ水
shì是
yī一
zhǒng种
cháng常
jiàn见
de的
ruò弱
jiǎn碱
。
Ammonia water is a common weak base.
Ruò弱
jiǎn碱
zài在
shuǐ水
róng溶
yè液
zhōng中
bù不
néng能
wán完
quán全
diàn电
lí离
。
Weak bases cannot completely ionize in aqueous solution.
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Qīng氢
yǎng氧
huà化
ǎn铵
shǔ属
yú于
ruò弱
jiǎn碱
。
Ammonium hydroxide belongs to the weak bases.
Ruò弱
jiǎn碱
yǔ与
qiáng强
suān酸
fǎn反
yìng应
huì会
shēng生
chéng成
yán盐
hé和
shuǐ水
。
When a weak base reacts with a strong acid, it produces salt and water.