Chemical Safety Warmup 1 Identify what is unsafe

Chemical Safety Warm-up

#1 Identify what is unsafe in each picture.

#2 Identify what is unsafe in each picture.

#3 Identify what is unsafe in each picture.

#4 Identify what is unsafe in each picture.

#5 Identify what is unsafe in each picture.

#6 Identify what is unsafe in each picture.

#7 When smelling a substance you should always waft or fan the vapors towards your nose. The reason for this is to— A. determine if it is safe to smell the substance directly. B. Avoid accidentally splashing chemicals into the face of any person. C. Protect the respiratory tract against potentially dangerous substances. D. Avoid error due to loss of mass of the substance being tested.

#7 When smelling a substance you should always waft or fan the vapors towards your nose. The reason for this is to— A. determine if it is safe to smell the substance directly. B. Avoid accidentally splashing chemicals into the face of any person. C. Protect the respiratory tract against potentially dangerous substances. D. Avoid error due to loss of mass of the substance being tested.

#8 Which of these is the best reason to not eat or drink while in the laboratory? A. Particles of food can contaminate chemical reagents. B. Spilled drinks can make cleanup of chemicals difficult. C. Some foods produce toxic gases when mixed with acids. D. Chemicals spilled on hands can be transferred to food.

#8 Which of these is the best reason to not eat or drink while in the laboratory? A. Particles of food can contaminate chemical reagents. B. Spilled drinks can make cleanup of chemicals difficult. C. Some foods produce toxic gases when mixed with acids. D. Chemicals spilled on hands can be transferred to food.

#9 After completing a lab experiment, all chemical waste should be-A. washed down the sink with a large quantity of water. B. left at your lab station, for the next class. C. placed in the waste basket. D. Disposed of as your instructors directed.

#9 After completing a lab experiment, all chemical waste should be-A. washed down the sink with a large quantity of water. B. left at your lab station, for the next class. C. placed in the waste basket. D. Disposed of as your instructors directed.