试题与答案

某硫酸铵样品,测得其中氮元素的质量分数为20%,其样品中可能含有的另一种氮肥是(

题型:选择题

题目:

某硫酸铵样品,测得其中氮元素的质量分数为20%,其样品中可能含有的另一种氮肥是(   )

A.CO(NH22(尿素)

B.NH4HCO3

C.NH4NO3

D.NH4Cl

答案:

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