Question

which of the following is not true about waste disposal in the lab?
a) the waste container should be closed unless chemicals are being added.
b) there may be more than one waste container in a lab.
c) paper towels, gloves, and weigh boats should be added to the waste containers with chemicals.
d) a waste container may be used to disposal of solid and liquid chemicals.
e) waste containers should be labeled appropriately.

Explanation:

In a lab, paper towels, gloves, and weigh - boats are typically considered non - chemical waste and should not be added to waste containers with chemicals to avoid contamination and improper disposal. Options a, b, d, and e are all correct practices for lab waste disposal.

Answer:

C. Paper towels, gloves, and weigh boats should be added to the waste containers with chemicals.