7
AssignmentMultiple Select

Lab: Physical and Chemical Changes

Question 7 • *26-27 CFISD TX-Chemistry A CR

Check all that apply.

Answer
A
Clear the lab table of paper.
B
Tie back long hair.
C
Turn off after use.

Explanation

All three are sensible lab-safety practices. Clearing paper helps keep flammable materials away from lab work, tying back long hair keeps it from catching fire or contacting chemicals, and turning equipment off after use helps prevent accidents.

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