Understanding the Bunsen Burner: A Safety and Operation Guide

What is the first step to remember when using a Bunsen burner?

• Check the gas supply

• Wear safety glasses and a lab coat

• Adjust the air hole

• Turn on the gas tap

What should be checked on the rubber tube before using the Bunsen burner?

• Its length

• Its color

• If it has any cracks

• Its flexibility

What is the correct sequence of actions for lighting the Bunsen burner?

• Light the match, hold match over the barrel, open the gas

• Light the match, open the gas, hold match over the barrel

• Open the gas, light the match, hold match over the barrel

• Hold match over the barrel, light the match, open the gas

What color flame indicates the safety flame in a Bunsen burner?

• Red

• Green

• Yellow

• Blue

How can you achieve a hotter flame with a Bunsen burner?

• Decrease the gas flow

• Open the air hole to allow more air

• Use a different gas source

• Close the air hole completely

Why is it important to light the match before turning on the gas when using a Bunsen burner?

• To prevent the gas from accumulating

• To increase the heat quickly

• To make the flame brighter

• To save gas

What should you do if you need to move a lit Bunsen burner?

• Grab it by the barrel

• Hold it by the base

• Turn off the gas first

• Ask someone else to move it

What is the most important action if something goes wrong with a lit Bunsen burner?

• Continue the experiment

• Leave the room

• Call for help

• Turn off the gas tap immediately

Before turning off the Bunsen burner, what should you adjust first?

• The bench arrangement

• The air hole

• The gas tap

• The safety glasses

What is the final step after using the Bunsen burner?

• Disconnect the hose and let the burner cool

• Immediately pack the burner away

• Leave the burner on the bench

• Check the experiment results