logo - 刷刷题
下载APP
【判断题】

干粉灭火剂是由具有灭火效能的无机盐和少量的添加剂经干燥、粉碎、混合而成微细固体粉末组成。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】人体含量最高的无机盐是()

A.
钙盐
B.
镁盐
C.
钠盐
D.
钾盐
E.
钙盐和镁盐

【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food.Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...

A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.

【单选题】骨质内含量最多的无机盐是()。

A.
碳酸钙
B.
磷酸钙
C.
磷酸镁
D.
碳酸钠
E.
磷酸钠

【多选题】下列属于食品添加剂的是()。

A.
防腐剂
B.
酸味剂
C.
漂白剂
D.
凝固剂