Question

which of the following is the correct way to dispose of chemical waste in the lab?
leave it in your beaker
follow the teachers instructions for disposal
pour it down the sink
mix it with other chemicals

Explanation:

Leaving chemical waste in a beaker is unsafe and against lab protocols. Pouring it down the sink can cause plumbing or environmental issues, and mixing with other chemicals may cause reactions. Following the teacher’s (or lab instructor’s) instructions is the correct, safe, and protocol - adhering method for chemical waste disposal in a lab.

Answer:

B. Follow the teacher's instructions for disposal