Rayvon is using pipettes to measure out a chemical solution in his experiment. What safety precaution is it MOST important for him to follow?
A. Don’t forcibly expel any hazardous material from the pipettes.
B. Don’t let the pipettes touch plastic containers.
C. Don’t hold the pipettes with his left hand.
D. Don’t expose the pipettes to extreme temperatures.
A. Don’t forcibly expel any hazardous material from the pipettes.
It is most important for Rayvon to follow this safety precaution because forcibly expelling hazardous material from pipettes can cause splashing or spilling of the chemical solution, which can result in exposure to harmful substances.