Do and don’ts in chemistry lab?

  • Do Wear Eye Protection.
  • Do Practice Fire Safety.
  • Do Handle Glassware Safely.
  • Do Keep Notes.
  • Do Wear Gloves.
  • Do Wear Closed-Toed Shoes.
  • Do Practice Electrical Safety.
  • Don’t Eat or Drink in the Lab.

What should be avoided in chemistry laboratory?

Keep your hands away from your face, eyes, mouth, and body while using chemicals. Food and drink, open or closed, should never be brought into the labora- tory or chemical storage area. Never use laboratory glassware for eating or drinking purposes. Do not apply cosmetics while in the laboratory or storage area.

What are the do’s and don’ts of chemistry?

  • Don’t use cracked, chipped glassware.
  • Don’t store incompatible chemicals together.
  • Don’t heat glassware on naked flame.
  • Don’t transfer used chemicals back into primary container.
  • Don’t start work without proper clamping the apparatus.
  • Don’t store corrosive liquids above eye level.

What is not allowed in the laboratory?

Eating, drinking, smoking, gum chewing, applying cosmetics, and taking medicine in laboratories where hazardous materials are used should be strictly prohibited. Food, beverages, cups, and other drinking and eating utensils should not be stored in areas where hazardous materials are handled or stored.

What are 3 things to never do during a lab?

  • Wearing open-toed shoes.
  • Keeping long hair down.
  • Eating or drinking.
  • Erasing data from your notebook.
  • Showing up late.
  • Forgetting to label samples or materials.
  • Incorrectly disposing of your materials.
  • Wearing shorts.

What are the 5 most important lab safety rules?

  • Dress appropriately.
  • Keep a tidy lab.
  • Know your lab safety symbols.
  • Handle chemical spills properly.
  • Know your safety equipment.
  • Test your skills in our Lab Safety simulation.

What are the 10 laboratory safety rules?

  • of 10. The Most Important Lab Safety Rule.
  • of 10. Know the Location of Safety Equipment.
  • of 10. Dress for the Lab.
  • of 10. Don’t Eat or Drink in the Laboratory.
  • of 10. Don’t Taste or Sniff Chemicals.
  • of 10. Don’t Play Mad Scientist in the Laboratory.
  • of 10. Dispose of Lab Waste Properly.
  • of 10.

What are 10 safety rules?

  1. Safety Rule #1 Know Your Name, Number And Address:
  2. Safety Rule #2 Do Not Eat Anything Given By A Stranger:
  3. Safety Rule #3 Do Not Climb The Fence:
  4. Safety Rule #4 Do Not Walk Off The Yard Alone:
  5. Safety Rule #5 Playing Or Experimenting With Fire Is Not Allowed:

What is the most important safety rule in chemistry?

The most important lab safety rule is to know the location of and how to use safety equipment, such as a fire extinguisher. In laboratories, chances of accidents always exist despite any precautions that are taken.

What are the do’s and don’ts in conducting an experiment?

  • Don’t be over hasty in arranging to do an experiment.
  • Don’t let fear of costs prevent you from doing an experiment where appropriate.
  • Do obsess about getting the details exactly right in your experimental design.
  • Don’t be afraid to be a pioneer.

What are the rules in a science lab?

  • Act responsibly in the science classroom / lab.
  • Follow all written and verbal instructions carefully.
  • Never work alone.
  • Do not touch equipment or chemicals in the lab until your teacher gives instructions.
  • Do not eat, drink or chew gum in the science classroom / lab.
  • Do not drink from lab containers.

What are the instructions to be followed in chemistry lab?

  • Do Not Pipette By Mouth – Ever.
  • Read the Chemical Safety Information.
  • Dress Appropriately.
  • Identify the Safety Equipment.
  • Don’t Taste or Sniff Chemicals.
  • Don’t Casually Dispose of Chemicals Down the Drain.
  • Don’t Play Mad Scientist.

What are the 7 lab safety rules?

  • Know locations of laboratory safety showers, eyewashstations, and fire extinguishers.
  • Know emergency exit routes.
  • Avoid skin and eye contact with all chemicals.
  • Minimize all chemical exposures.
  • No horseplay will be tolerated.
  • Assume that all chemicals of unknown toxicity are highly toxic.

Can I wear ripped jeans to chem lab?

By far the best thing you can wear is T-shirt, Jeans, and tennis shoes. most of these types of clothes are made of cotton, which is a better lab material than synthetic fibers. Don’t wear your best, as you may spills something on them, but remember the legs must be intact (no ripped knees!)

What are the risks in a laboratory?

  • Fire/Explosions. In a laboratory, all chemicals and liquids should be treated as if they are as potent as gasoline.
  • Thermal and Chemical Burns.
  • Skin Absorption of Chemicals.
  • Inhalation of Toxic Fumes.
  • Cuts to the Skin.

What are 4 important things you should do at the end of every lab?

  • Clean up your work area.
  • Turn off and unplug any equipment and return it to its proper place.
  • Some waste should not be throw in the trash or poured down the drain. Listen to your teacher’s instructions about proper disposal.

What are 3 safe lab procedures?

Dress for work in the laboratory. Wear clothing and shoes that cover exposed skin and protect you from potential splashes. Tie back long hair, jewelry, or anything that may catch in equipment. Never eat food, drink beverages, chew gum, apply cosmetics (including lip balm), or handle contact lenses in the laboratory.

What are 5 precautions that must be taken before beginning an experiment?

  • Wash hands.
  • Remove any jewelry.
  • Tie back long hair.
  • Wear proper clothing (no loose clothes, close-toed shoes, long pants and sleeves)
  • Wear safety googles and gloves.

What is Lab Safety Rule #3?

RULE #3: HANDLING CHEMICALS Wear gloves whenever pouring chemicals or handling them. If there is a spill be sure to let the teacher know. If you have to dispose of chemicals, always use the waste containers provided on your lab tables. NEVER pour the chemicals back into the container you got it from.

What are 7 of the 10 safety tips?

  • 1) Reduce Workplace Stress.
  • 2) Use Tools and Machines Properly.
  • 3) Use Mechanical Aids When Possible.
  • 4) Wear Protective Equipment.
  • 5) Stay Sober.
  • 6) Be Aware of Your Surroundings.
  • 7) Correct Posture Protects Your Back.
  • 8) Be Alert and Awake.

What are 5 safety tips?

  • Use tools and machines properly.
  • Be aware of your surroundings.
  • Be safe in the cold weather.
  • Follow procedure, don’t take shortcuts.
  • Wear your protective gear.
  • If you see unsafe conditions, let a supervisor know.
  • Take breaks.
  • Stay sober.

How do you handle chemicals safely?

  1. Do not return chemicals to their original packaging.
  2. Keep chemical containers closed.
  3. Never use a wrong or an unmarked reagent.
  4. Never put spatulas, stirrers or other objects into a storage container for chemicals.

What safety precautions must be observed in this experiment?

  • No food or drink is allowed in lab unless food or drinks are provided as a part of the lab.
  • Shoes must be worn in lab.
  • If you have very long hair, please tie it back in the laboratory.
  • Handle chemicals, reagents, and stains carefully and follow all warnings.

Why do we need to follow steps on doing an experiment?

The experiment must maintain internal and external validity, or the results will be useless. When designing an experiment, a researcher must follow all of the steps of the scientific method, from making sure that the hypothesis is valid and testable, to using controls and statistical tests.

What are the 7 steps of experimental design?

  • Set objectives.
  • Select process variables.
  • Select an experimental design.
  • Execute the design.
  • Check that the data are consistent with the experimental assumptions.
  • Analyze and interpret the results.
  • Use/present the results (may lead to further runs or DOE’s).
Do NOT follow this link or you will be banned from the site!