Chemistry Safety quiz

Are used to hold a hot beaker

Beaker tongs

Is a frame which can support a container. For example it can hold a crucible during heating can hold a funnel during filtering

Clay triangle

are designed to pick up and hold a crucible

Crucible tongs

Used to measure volume of liquids in mL

Graduated cylinder

Fire Blanket

Left side next to the 2nd door above the fire extinguisher

First aid kit

Left side next to the 2nd door up

Is attached to the ring stand and is used as a support. For example, it might be used to hold a funnel during filtering

Ring clamp

has a number of small "wells". Chemicals are placed into the small wells and the reaction can observed as it takes place in the "well"

Spot Plate or Well plate

Offers the support for various clamps

The ring stand

Is used to measure one specific volume of liquid (kind of like a volumetric pipet)

Volumetric Flask

is used to rinse glassware in the chemistry lab. It is filled with distilled water, not tap water. It is not used to rinse eyes

Wash bottle

can be used as a beaker cover, but you can also place small amounts of chemicals on it and then heat it (for example to evaporate some water from a wet chemical)

Watchglass

used to protect your eyes from broken glass, chemicals, and flames.

goggles

Broken Glass container

next to the distilled H2O on the right side of the room

"A" can be used to ignite the flame of Bunsen Burner . The gas collects inside a small cup, and the spark created ignites the gas.

A: Flint Lighter

A Is used as a container to hold chemicals during heating or other reactions, and the B is used supports A

A: test tubes B: Test tube racks

is used to dispense liquids very precisely. It's a glass tube open at both ends. There is a valve at the bottom and it is used to dispense liquid

Buret

Fill wash bottles with any water and use only as intended, e.g., rinsing glassware and equipment, or adding water to a container.

False. Fill wash bottles only with distilled water and use only as intended, e.g., rinsing glassware and equipment, or adding water to a container.

Heated metals and glass remain do not hot for a long time. Use tongs or heat-protective gloves if necessary and they stay hot

False. 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

You may look into a container that is heated.

False. Never look into a container that is being heated.

Fume hood

Next to the distilled H2O and trays on the right side

Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory.

True

Keep hands away from face, eyes, mouth and body while using chemicals or preserved specimens. Wash your hands with soap and water after performing all experiments. Clean all work surfaces and apparatus at the end of the experiment. Return all equipment clean and in working order to the proper storage area.

True

Lab aprons have been provided for your use and should be worn during laboratory activities

True

Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass. Place broken or waste glassware in the designated glass disposal container.

True

When mercury thermometers are broken, mercury must not be touched. Notify the instructor immediately.

True

Fire extinguisher is

left side next to the 2nd door down below

doesn't measure the volume of liquids very accurately. It is used as a container for mixing or holding chemicals.

Beaker

If you do not understand how to use a piece of equipment, ask the instructor for help

True

Is used to transfer chemicals. Use these instead of fingers.

Chemical Spatula

A is used to stir combinations of chemicals. You can also pour liquid along it (as you pour it into another container) B is put out on the end of A and it keeps the glass rod from scratching a glass beaker or other container.

A: Stirring rod B: Rubber Policemen

Observe good housekeeping practices. Work areas should be kept clean and tidy at all times. Bring all your materials to the laboratory your instructions, worksheets, and/or reports to the work area, and Other materials (books, purses, backpacks, etc.)

False. . Observe good housekeeping practices. Work areas should be kept clean and tidy at all times. Bring only your laboratory instructions, worksheets, and/or reports to the work area. Other materials (books, purses, backpacks, etc.) should be stored in the classroom area.

Some chemicals in the laboratory are to be considered dangerous. Do not touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for smelling chemical fumes will be demonstrated to you

False. All chemicals in the laboratory are to be considered dangerous. Do not touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for smelling chemical fumes will be demonstrated to you

Always work in a well-ventilated area. Don't use the fume hood when working with volatile substances or poisonous vapors. Place your head into the fume hood for easier access.

False. Always work in a well-ventilated area. Use the fume hood when working with volatile substances or poisonous vapors. Never place your head into the fume hood.

Any time chemicals, heat, or glassware are used, students will not be expected to wear laboratory goggles. There will be no exceptions to this rule!

False. Any time chemicals, heat, or glassware are used, students will wear laboratory goggles. There will be no exceptions to this rule!

Carry glass tubing, especially long pieces, in a horizontal position to minimize the likelihood of breakage and injury.

False. Carry glass tubing, especially long pieces, in a vertical position to minimize the likelihood of breakage and injury.

Don't conduct yourself in a responsible manner at all times in the laboratory

False. Conduct yourself in a responsible manner at all times in the laboratory.

You may eat food, drink beverages, or chew gum in the laboratory. However, do not use laboratory glassware as containers for food or beverages.

False. Do not eat food, drink beverages, or chew gum in the laboratory. Do not use laboratory glassware as containers for food or beverages.

Immerse hot glassware in cold water to cool it off.

False. Do not immerse hot glassware in cold water; it may shatter.

Dress willingly in the laboratory. It's your constitutional right.

False. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No sandals allowed.

Experiments must be personally monitored at all times. You will be assigned a laboratory station at which to work. Do wander around the room, distract other students, or interfere with the laboratory experiments of others.

False. Experiments must be personally monitored at all times. You will be assigned a laboratory station at which to work. Do not wander around the room, distract other students, or interfere with the laboratory experiments of others.

. If you or your lab partner are hurt, immediately yell out "Code two, Code two" to get the instructor's attention.

False. If you or your lab partner are hurt, immediately yell out "Code one, Code one" to get the instructor's attention.

You are not required to know the locations and operating procedures of all safety equipment including the first aid kit, eyewash station, safety shower, fire extinguisher, and fire blanket. Know where the fire alarm and the exits are located.

False. Know the locations and operating procedures of all safety equipment including the first aid kit, eyewash station, safety shower, fire extinguisher, and fire blanket. Know where the fire alarm and the exits are located.

Know what to do if there is a fire drill during a laboratory period; Leave everything the way it is and GET OUT.

False. Know what to do if there is a fire drill during a laboratory period; containers must be closed, gas valves turned off, fume hoods turned off, and any electrical equipment turned off.

Labels and equipment instructions must not be read carefully before use. Set up and use the prescribed apparatus the best way for the experiment.

False. 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.

The laboratory is a fun environment you are welcome to make jokes and prank people.

False. Never fool around in the laboratory. Horseplay, practical jokes, and pranks are dangerous and prohibited.

You may not remove chemicals but you may remove other materials from the laboratory area.

False. Never remove chemicals or other materials from the laboratory area.

Always return unused chemicals to their original containers.

False. Never return unused chemicals to their original containers.

You can use mouth suction to fill a pipet or use a rubber bulb or pipet pump.

False. Never use mouth suction to fill a pipet. Use a rubber bulb or pipet pump.

Student may work alone work alone. Student may work in the laboratory without an instructor present.

False. Never work alone. No student may work in the laboratory without an instructor present.

Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the instructor immediately, only if it seems dangerous.

False. Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the instructor immediately, no matter how trivial it may appear.

Report damaged electrical equipment after the lab is done. Look for things such as frayed cords, exposed wires, and loose connections. Do not use damaged electrical equipment.

False. Report damaged electrical equipment immediately. Look for things such as frayed cords, exposed wires, and loose connections. Do not use damaged electrical equipment.

When bending glass, don't allow time for the glass to cool before further handling. Hot and cold glass have the same visual appearance. Determine if an object is hot by bringing the back of your hand close to it prior to grasping it.

False. When bending glass, allow time for the glass to cool before further handling. Hot and cold glass have the same visual appearance. Determine if an object is hot by bringing the back of your hand close to it prior to grasping it.

When removing an electrical plug from its socket, grasp the electrical cord, not the plug. Hands must be completely dry before touching an electrical switch, plug, or outlet.

False. 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.

When using knives and other sharp instruments, always carry with tips and points pointing towards you to not pose a threat to others . Always cut away from your body. Try to catch falling sharp instruments. Grasp sharp instruments only by the handles

False. When using knives and other sharp instruments, always carry with tips and points pointing down and away. Always cut away from your body. Never try to catch falling sharp instruments. Grasp sharp instruments only by the handles

Handle flammable hazardous liquids over a pan to contain spills. You may dispense flammable liquids anywhere near an open flame or source of heat if you think it won't be dangerous.

False.Handle flammable hazardous liquids over a pan to contain spills. Never dispense flammable liquids anywhere near an open flame or source of heat.

holds a test tube during heating

Test tube clamp

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.

True

Be alert and proceed with caution at all times in the laboratory. Notify the instructor immediately of any unsafe conditions you observe.

True

Check the label on chemical bottles twice before removing any of the contents. Take only as much chemical as you need.

True

Contact lenses should not be worn in the laboratory unless you have permission from your instructor

True

Dispose of all chemical waste properly. Never mix chemicals in sink drains. Sinks are to be used only for water and those solutions designated by the instructor. Solid chemicals, metals, matches, filter paper, and all other insoluble materials are to be disposed of in the proper waste containers, not in the sink. Check the label of all waste containers twice before adding your chemical waste to the container.

True

Do not place hot apparatus directly on the laboratory desk. Always use an insulating pad. Allow plenty of time for hot apparatus to cool before touching it.

True

Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware

True

Exercise extreme caution when using a gas burner. Take care that hair, clothing and hands are a safe distance from the flame at all times. Do not put any substance into the flame unless specifically instructed to do so. Never reach over an exposed flame. Light gas (or alcohol) burners only as instructed by the teacher

True

Follow all written and verbal instructions carefully. If you do not understand a direction or part of a procedure, ask the instructor before proceeding.

True

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.

True

If a chemical splashes in your eye(s) or on your skin, immediately flush with running water from the eyewash station or safety shower for at least 20 minutes. Notify the instructor immediately.

True

If you have a medical condition (e.g., allergies, pregnancy, etc.), check with your physician prior to working in lab

True

Inserting and removing glass tubing from rubber stoppers can be dangerous. Always lubricate glassware (tubing, thistle tubes, thermometers, etc.) before attempting to insert it in a stopper. Always protect your hands with towels or cotton gloves when inserting glass tubing into, or removing it from, a rubber stopper. If a piece of glassware becomes "frozen" in a stopper, take it to your instructor for removal.

True

Keep aisles clear. Push your chair under the desk when not in use.

True

Never leave a lit burner unattended. Never leave anything that is being heated or is visibly reacting unattended. Always turn the burner or hot plate off when not in use.

True

Perform only those experiments authorized by the instructor. Never do anything in the laboratory that is not called for in the laboratory procedures or by your instructor. Carefully follow all instructions, both written and oral. Unauthorized experiments are prohibited.

True

Students are never permitted in the science storage rooms or preparation areas unless given specific permission by their instructor.

True

Take great care when transporting acids and other chemicals from one part of the laboratory to another. Hold them securely and walk carefully.

True

When first entering a science room, do not touch any equipment, chemicals, or other materials in the laboratory area until you are instructed to do so.

True

When transferring reagents from one container to another, hold the containers away from your body

True

You will be instructed in the proper method of heating and boiling liquids in test tubes. Do not point the open end of a test tube being heated at yourself or anyone else.

True

Is used with the balance so that the chemicals are placed instead of directly on the balance. Its folded into quarters befire use

Weighing Paper

Eye wash/ shower station

back of the room above the 2nd cabinet 4th door of cabinet

can be used as a support container (such as a beaker or a flask) during heating. When the bunsen burner flame is beneath it, the thing helps to spread the flame (and heat) out evenly over the container.

wire gauze