Question

multiple-choice question
before leaving the class on a day when we have a lab you have to: (select all that apply)
have the teacher check if your table/area is clean and is okay for you to leave
put the chemicals back into the original containers
make sure all the equipment and materials are clean and put away in the designated area (place where it belongs)
check with your best friend to make sure it is okay to leave
make sure you dispose all the chemicals/materials according to your teachers instructions

Explanation:

• Have the teacher check...: In a lab setting, teacher approval for a clean area is a standard safety/cleanup procedure.
• Put the chemicals back...: Returning chemicals to original containers is part of proper lab chemical handling.
• Make sure all equipment...: Cleaning and storing equipment in designated areas is a key lab cleanup rule.
• Check with your best friend...: Lab dismissal is not determined by a friend, so this is incorrect.
• Make sure you dispose...: Following teacher instructions for chemical disposal is crucial for safety and compliance.

Answer:

A. Have the teacher check if your table/area is clean and is okay for you to leave
B. Put the chemicals back into the original containers
C. Make sure all the equipment and materials are clean and put away in the designated area (place where it belongs)
E. Make sure you dispose all the chemicals/materials according to your teachers instructions