食品中铁的鉴定可于消化液中加2滴饱和NH4SCN溶液,若生成黄色沉淀示有铁。

题型:判断题

问题:

食品中铁的鉴定可于消化液中加2滴饱和NH4SCN溶液,若生成黄色沉淀示有铁。

考点:食品检验工高级食品检验工高级理论复习五(暂缺单选答案)
题型:判断题

Jenny plays _________ her doll.[ ]

A. and                

B. with               

C. use                  

D. in

题型:判断题

-----Shall I take you to the shopping mall after work?

----No ,thanks. My father said he would ______ there on his way home.

A.look for me

B.pick me up

C.let me down

D.take after me

题型:判断题

22008+32008的个位数是几?()

A.3

B.5

C.7

D.9

题型:判断题

沉香四磨汤功效与作用

题型:判断题

需求分析

更多题库