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【单选题】

苏打干粉灭火剂是以含量不小于()的碳酸氢钠为原料,在加入适量添加剂,并经过防潮结块处理的干粉灭火剂。

A.
90%
B.
80%
C.
70%
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】ABC干粉灭火剂主要是指()灭火剂。

A.
磷酸铵盐
B.
碳酸氢钠
C.
氢氧化钠
D.
磷酸氢钠

【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.

【多选题】属于D类专用干粉灭火剂的有( )。

A.
石墨类
B.
氯化钠类
C.
碳酸氢钠类
D.
磷酸铵类
E.
尿素类

【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
相关题目:
【单选题】ABC干粉灭火剂主要是指()灭火剂。
A.
磷酸铵盐
B.
碳酸氢钠
C.
氢氧化钠
D.
磷酸氢钠
【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.
【多选题】属于D类专用干粉灭火剂的有( )。
A.
石墨类
B.
氯化钠类
C.
碳酸氢钠类
D.
磷酸铵类
E.
尿素类
【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