Anytime chemicals, heat, or glassware is use you always
Anytime chemicals, heat, or glassware is use you always wear googles
All chemicals in the laboratory are to be considered
All chemicals in the laboratory are to be considered dangerous.
Conduct yourself in a ____ manner at all times in the laboratory.
Conduct yourself in a responsible manner at all times in the laboratory.
Never handle ____ glass with your ____ hands.
Never handle broken glass with your bare hands.
Never ____ into a container that is being heated
Never look into a container that is being heated
Contact lenses may be worn provided adequate face and eye protection is provided by specially marked, non-vented safety goggles. The instructor should know which students are wearing contact lenses in the event of
Contact lenses may be worn provided adequate face and eye protection is provided by specially marked, non-vented safety goggles. The instructor should know which students are wearing contact lenses in the event of eye exposure to hazardous chemicals.
Do not touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for ________ chemical vapors will be demonstrated to you.
Do not touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for wafting chemical vapors will be demonstrated to you.
Never work ____. No student may work in the laboratory without an ____ present.
Never work alone. No student may work in the laboratory without an instructor present.
Fill wash bottles only with ____ water and use only as intended, e.g., rinsing ____ and equipment, or adding ____ to a container.
Fill wash bottles only with distilled water and use only as intended, e.g., rinsing glassware and equipment, or adding water to a container.
You will be ____ in the proper method of ____ and ____ liquids in test tubes.
You will be instructed in the proper method of heating and boiling liquids in test tubes.
Lab aprons have been provided for your use and should be worn
Lab aprons have been provided for your use and should be worn during laboratory activities.
Acids must be handled with ___ care. You will be shown the proper method for ___ strong acids. Always add ___ to ___, ___ or ___ the solution and be careful of the ____ produced, particularly with ____ acid.
Acids must be handled with extreme care. You will be shown the proper method for diluting strong acids. Always add acid to water, swirl or stir the solution and be careful of the heat produced, particularly with sulfuric acid.
Be prepared for your work in the _____. Read all procedures _____ before entering the laboratory.
Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory.
Report damaged ____ equipment ____. Look for things such as frayed ____, exposed ____, and loose _____. Do not use damaged ____ equipment.
Report damaged electrical equipment immediately. Look for things such as frayed cords, exposed wires, and loose connections. Do not use damaged electrical equipment.
Heated metals and glass remain very hot for a long time. They should be set aside to cool and picked up with caution. Use____ or heat-protective gloves if necessary.
Heated metals and glass remain very hot for a long time. They should be set aside to cool and picked up with caution. Use tongs or heat-protective gloves if necessary.
Dress properly for lab activities. Long hair, dangling jewelry, and loose or baggy clothing__________
Dress properly for lab activities. Long hair, dangling jewelry, and loose or baggy clothing are hazardous
Handle ___ hazardous liquids over a ___ to contain spills. Never dispense ___ liquids anywhere near an open ___ or source of ___.
Handle flammable hazardous liquids over a pan to contain spills. Never dispense flammable liquids anywhere near an open flame or source of heat.
Labels and _____ instructions must be read carefully ____ use. Set up and use the ____ apparatus as directed in the laboratory instructions or by your ____.
Labels and equipment instructions must be read carefully before use. Set up and use the prescribed apparatus as directed in the laboratory instructions or by your instructor.
Examine ____ before each use. Never use ____ or cracked _____. Never use dirty _____.
Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.
When bending glass, you should allow the glass to cool down because____ and _____glass looks the same.
When bending glass, you should allow the glass to cool down because hot and cold glass looks the same.
The instructor should know which students are wearing __________ in the event of eye exposure to hazardous chemicals.
The instructor should know which students are wearing contact lenses in the event of eye exposure to hazardous chemicals.
Check the ____ on chemical bottles ____ before removing any of the contents. Take only as much chemical as you need.
Check the label on chemical bottles twice before removing any of the contents. Take only as much chemical as you need.
Handle all ____ organisms used in a laboratory activity in a ____ manner. ____ biological materials are to be treated with ____ and disposed of _____
Handle all living organisms used in a laboratory activity in a humane manner. Preserved biological materials are to be treated with respect and disposed of properly
When removing an _____ _____ from its ____, grasp the ____, not the electrical ____. Hands must be completely ___ before touching an electrical ___, ____, or ____.
When removing an electrical plug from its socket, grasp the plug, not the electrical cord. Hands must be completely dry before touching an electrical switch, plug, or outlet.
Use _____ or__________ to pick up heated materials
Use tongs or gloves to pick up heated materials