Laboratory Safety Rules Quiz

Questions and Answers

What should you do if acids spill on your skin?

Wash with soap and water

Pour water over the spill immediately

Neutralize with sodium bicarbonate for acids and acetic acid for bases (correct)

Ignore it if it doesn't hurt

It is allowed to eat and drink inside the laboratory.

False

What should always be done when preparing dilute acid solutions?

Always add acid to water.

Always wear a laboratory _____ while in the laboratory.

gown Signup and view all the answers

Match the safety rule with its purpose:

Use the fume hood = To avoid inhaling toxic gases Report all accidents = To address safety issues promptly Do not contaminate chemicals = To ensure accurate experimental results Check for defects in glassware = To prevent accidents caused by broken equipment Signup and view all the answers

What is the proper way to smell a chemical if instructed to do so?

Waft a bit of vapor towards your nose Signup and view all the answers

Students are allowed to perform any experiment they wish in the laboratory.

False Signup and view all the answers

When should waste acids be disposed of in the disposal jar?

Always dispose of waste acids in the disposal jar, not in the sink. Signup and view all the answers

Study Notes

Laboratory Housekeeping & Safety Rules

Always wear a laboratory gown to ensure personal safety and hygiene.
Eating, drinking, smoking, and loitering are strictly prohibited to maintain a safe working environment.
Only authorized personnel may be present in the laboratory; entertaining students from other classes is not allowed.
Perform only scheduled experiments; unauthorized experiments are prohibited.
Familiarize yourself with safety features including fire extinguishers, medicine cabinets, and the nearest fire exits for emergency preparedness.
Prepare a complete requisition list for glassware and materials; check for defects and report any immediately.
Use all reagents, water, and gas in an economical manner to reduce waste.
Avoid direct contact with chemicals; use wafting techniques for odor tests if directed.
Prevent contamination by using designated droppers or spatulas for each reagent.
Handle corrosive acids and caustic substances carefully; use sodium bicarbonate for neutralizing spilled acids and dilute acetic acid for strong bases.
When mixing solutions, always add acid to water, avoiding the reverse order to prevent dangerous reactions.
Utilize a non-luminous flame under two inches when heating; ensure gas is turned off when burners are not in use.
Allow heated objects to cool safely before handling to prevent burns.
Employ pot holders for handling glassware to protect hands from heat.
Report all accidents, including minor incidents, to the instructor for appropriate action.
Dispose of insoluble refuse in designated waste cans, never in sinks.
Pour waste acids into specific disposal jars to prevent environmental hazards.
Use fume hoods when working with toxic or irritating gases to ensure proper ventilation.
Record observations and experimental data immediately in your laboratory manual for accurate documentation.
Clean and dry all glassware at least 20 minutes prior to the end of lab to prepare for subsequent users.
Before leaving the laboratory, place chairs on tables and ensure that all utilities such as lights, fans, water, and gas are turned off.

Description

Test your knowledge on essential laboratory housekeeping and safety rules. This quiz will cover important regulations regarding conduct in the laboratory environment. Make sure you're familiar with what is expected to ensure a safe and efficient lab experience.