Question

when should lab participants look at the safety data sheet (sds) of a substance? select one: ∘ after completing work with the substance ∘ while working with the substance in lab ∘ before using the substance ∘ only if the substance is perceived to be dangerous

Explanation:

Safety Data Sheets (SDS) provide information about the hazards, handling, and safety precautions of a substance. To ensure safety and proper handling, lab participants should review the SDS before using the substance to be aware of risks and necessary safety measures. Reviewing after use or only when perceived dangerous is insufficient, and reviewing while working may be too late if risks are unknown.

Answer:

C. Before using the substance