D.先进行应急处理，再去医院处理

119.下列物品不属于剧毒化学品的是

A.氰化钾

B.叠氮化钠

C.铊

D.甲醛(正确答案)

120.二氧化碳灭火器主要用于扑救的初起火灾。

A.贵重设备、档案资料

B.仪器仪表、600伏以下电气设备

C.油类

D.以上都是(正确答案)

121.Chemical reactions

a)may be left unattended overnight as long as secondary containment is present(正确答案)

b)may be left unattended overnight provided information is posted in plain sight indicating what the reaction involves and who to contact(including phone numbers)in case of emergency

c)must never be left unattended

122.Where can information regarding specific chemical safety be found?

a)MERTKA

b)OSHA Laboratory Standards

c)MSDSs(正确答案)

123.OSHA stands for

a)the Occupational Safety and Hazard Agency(正确答案)

b)the Occupational Safety and Health Administration

c)Only Some Hazards are Actual

124.The CAS registry number is

a)a unique identifying number for each chemical

b)a rating of flammability

c)a rating of toxicity(正确答案)

125.Examples of oxidizing agents include

a)H2,C,gasoline,acetic acid(正确答案)

C,gasoline,acetic acid

C,gasoline,acetic acid

b)KNO3,KMnO4,and Na2CrO4

c)NaCN,phenol

126.When diluting an acid with water,

a)do it quickly,so that a cool fountain of toxic material is ejected from the flask(正确答案)

b)always add acid to water,not water to acid,so that the heat of reaction can be controlled

c)do not stir the flask,because it might break

127.When operating a fire extinguisher,remember the mnemonic PASS.PASS represents the steps used to properly operate the extinguisher and it stands for which of the following?

a)Pull,Aim,Squeeze,Sweep(正确答案)

b)Pin,Aim,See,Swing