Question

bunsen burner safety
flexible tubing that connects the bunsen burner to the gas tap is called:
○ collar
○ rubber hose
○ barrel/chimney

Explanation:

In laboratory - setups, the flexible tubing connecting a Bunsen burner to the gas tap is typically a rubber hose. A collar is part of the Bunsen burner for air - flow control, and the barrel/chimney is the main body of the burner through which the gas - air mixture burns.

Answer:

B. Rubber hose