Practice Quiz for Safety -- Practice

As a Chemistry student, the most basic we have to know well about the rules before we really start our journey on doing experiment in the lab.

Here are some answers and questions form to make us know better.

Practice Quiz for Safety and Chap 1

Topics Covered:

• Safety Equipment: Location, Structure and Functioning (Fire extinguisher, Fire Blanket, Eye Wash, Emergency Shower, First Aid Kit)
• Safety Rules
• Branches of Chemistry
• Types of Research
• Physical and Chemical Changes
• Physical and Chemical Properties
• Intensive and Extensive Properties
• Matter: Pure Substances and Mixtures: Types, Definitions and Examples
• Periodic Table: Groups, Periods, classification
• Lab Equipment: Structure, function and accuracy

1. You may work in the lab alone when...

a.      When you are working on an important project

b.      When you need to finish your lab

c.       When your partner is willing to work

d.      At no time at all

2. Before leaving the lab you should... ( list three most important things)

Answers would vary.

               Make sure that the station is clean.

               All the flames are out and trash is put in proper container.

               You have taken all your materials with you.

4. When you see an unknown liquid on the bench, you should...

a. wipe it up.
b. try to identify it by using your five senses.
c. notify your lab instructor
d. just leave it alone.

5. If you spill an acid, you should do all of the following except:

a. wipe it up immediately
b.neutralize it, then wipe it up
c. notify your instructor
d. rinse any affected body parts

6. How do you dispose the chemical waste?

a. ask your partner to throw the waste.
b. pour it down the drain.
c. listen for specific instructions from your teacher for disposal of chemicals for each lab..
d. leave it at your workstation.

7. Which of the following are proper shoes to wear in lab?

a. sandals
b. boots
c. high heels
d. slippers 
 
 

9.  What type of goggles should you wear and when should you wear them?
  Chemical Safety Goggles. They should be worn at all times while doing a lab.
 
 
10.  In what cases might you be asked to leave the laboratory?
If you fail to obey safety rules.
 
 
 
11.  Can you wear contact lenses? Why?
 Yes, But it a chemical gets in your eyes, throw them out before washing eyes in the eye wash fountain.

 12.     What should you do if:
  A) you broke a beaker and cut your finger.
  Notify the teacher, using dustpan and broom dispose of in broken glassware container.

 
 
 

 B) chemicals have splashed on your face.
  Notify teacher and rinse your face in face wash fountain.
 
 C) the fire alarm sounds.
  Turn off the flames and evacuate.
 
 
 D) your lab manual has caught on fire.
  Notify teacher.Extinguish fire using fire extinguisher or fire blanket
 
 

13.     Compare and contrast physical and chemical changes.

Chemical changes involve change in identity and physical changes do not.