Correct
杂质
/ zázhì /
Strokes
Definition
impurity
Example
As a Noun
impurity
1
Shíwù
食物
/
shuǐzhōng
水中
de
的
zázhì
杂质
impurities in food/water
2
Zázhì
杂质
xiàndù
限度
limit of impurities
3
Zázhì
杂质
hánliàng
含量
impurity content
4
Qīngchú
清除
zázhì
杂质
eliminate/remove impurities
As a Noun
foreign matter/substance
5
Zázhì
杂质
lízǐ
离子
foreign ion