Question

bunsen burner safety
which of the following steps should be done first?
open the gas tap
connect the rubber tubing to the bunsen burner
put on your goggles

Explanation:

Safety precautions are the top - priority when using a Bunsen burner. Wearing goggles protects the eyes from potential hazards. Connecting tubing or opening the gas tap without proper eye protection can be dangerous.

Answer:

Put on your goggles