Which of the following statements are TRUE?
I Organic solvents,concentrated acids,and concentrated ammonia should be handled in a fume hood.
II A respirator should be worn when handling organic solvents.
III All containers should be labeled to indicate what they contain.
IV Contact lenses are adequate to protect eyes from liquids and gases in the lab.
A)I and II
B)II and IV
C)I and III
D)III and IV
E)II and III

Question

Quizplus · Accepted Answer

Statement I is true because organic solvents, concentrated acids, and concentrated ammonia can release hazardous fumes and should be handled in a fume hood. 
Statement II is false because a respirator is not necessary for most regular laboratory work. 
Statement III is true because labeling containers is important for proper identification and labeling helps prevent mishaps or accidents. 
Statement IV is false because contact lenses do not provide adequate protection against liquids or gases in the lab.

Which of the Following Statements Are TRUE