Ethanol is a flammable chemical and you've used it beside flame! Check rule #1
Rule #1:Never work with flammable chemical near flames.
What happened ?!
Ethanol 90%
Why are you crying???
Sulfuric acid! What?! Where are your gloves?! Check Rule #2
Rule #2:Always wear gloves.
I poured sulfuric acid on my hand by mistake! It's burning!
Rule #3:Never eat or drink in the lab.
Are you eating during lab class? This is not allowed!Check Rule #3
I feel so hungry dr. isn't safe to eat in the lab?
Where's your mask?! There are extra masks on the shelf, take one and check rule #4.
Rule #4:Always wear a mask to prevent inhaling toxic fumes.
I need help! I inhaled ammonia fumes and I cannot take a breath.
1- Never work with flammable chemical near flames.2- Always wear gloves.3- Never eat or drink in the lab.4-Always wear a mask to prevent inhaling toxic fumes.
Laboratory Safety Rules
Here are the laboratory rules that you should follow for your safety.