This rule says you must always act like what in the labatory?
Conduct yourself in a responsible manner at all times
This type of thing must always be worn any time there are chemicals, heat, or glassware in use.
Safety goggles.
Report any spill or breakage to this person immediately regardless of how trivial it seems.
The instructor/teacher
You should never do these three things to a chemical unless instructed to.
Touch, taste, or smell.
Exercise extreme caution with this lab equipment, ensuring hair, clothing, and hands are kept a safe distance away.
Gas burner
If you don’t understand an instruction or procedure, you should do this before continuing.
Ask the instructor for clarification
These should not be worn in the labatory without permission from your instructor.
Contact lenses
You should always yell out this code if your lab partner or you are hurt.
Code one.
Before removing chemicals from a bottle it's important to do this twice to ensure accuracy.
Check the label
Never leave a lit burner or heating reaction unattended, and always do this when not in use.
Turn it off
This rule forbids working alone. Students must always have this present in the lab.
An instructor/teacher
Long hair, dangling jewelry, and baggy clothing must be secured during an activity to prevent this.
Safety hazard
What must you use if a chemical is to splash you or your eyes immediately?
Use the eyewash station or safety shower.
If you have unused chemicals you should avoid doing this to prevent contamination.
Return them to their containers.
You will learn how to heat liquids in these lab items safely, and should never aim their open end at anyone.
Test tubes
Food, beverages, and gum are not allowed in the lab, and you should never use this type of item for food or drink.
In addition to securing hair and jewelry these must completely cover the foot.
Shoes.
This is the length typically needed to flush chemicals out your eyes or skin.
20 minutes.
Lubricating the glassware and protecting your hand with a towl or cotton gloves.
Use these items to handle metals and glass that remain hot after heating.
Tongs or heat-protective gloves.
Only the instructor can authorize these. Doing anything else in the lab is considered prohibited.
Experiments
Provided for your protection, this garment should always be worn during experiments.
Lab apron.
This chemical in a thermometer is extremely toxic and must not be touched if broken.
Mercury
You should use this position when handling glass tubing to reduce breakage risk.
Vertical position
Hot and cold glass look the same, so use this technique with the back of your hand to determine if the glass is hot.
Bringing the back of your hand close to the object before grasping it.