Bunsen Burner

Which part of the Bunsen flame is the hottest?

• A
• B
• C
• D

The gas should be turned on ____________ lighting the match.

• Before

• After

What do you call the part of the burner that "twists" ?

• Base

• Collar

• Cylinder

Name this part of the Bunsen Burner: A

• Barrel

• Collar

• Air Hole

• Base

Air hole closed means __________ safety flame and air hole open means _________ heating flame.

• Yellow, blue

• Blue, yellow

• Blue, orange

• Yellow, green

During an experiment, a bunsen burner is placed on:

• Gauze mat

• The laboratory bench

• A heatproof mat

• Tripod

Where is the flame the hottest?

• Top (Yellow)
• Middle (Blue)
• Bottom (light blue)

The different parts of a bunsen burner include:

• Barrel, collar, air hole, gas hose and base

• Barrel, collar, air vent, gase hose and base

• Barrel, collar, air vent, gas hose and bottom

• Barrel, neck, air hole, gas hose and base

When heating a test tube you.....

• Wear safety goggles, use a test tube holder and hold the test tube away from you

• Wear safety goggles, use tongs and hold the test tube close to you

• Wear safety goggles, use a test tube holder and make sure the flame is only yellow

• Wear safety goggles, use tongs and hold the test tube away from you

When is it OK to eat or drink in the lab?

• Always
• Never