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This Concept Map, created with IHMC CmapTools, has information related to: Bunsen Burner, BUNSEN BURNER Parts Air hole, Luminous Flame Characteristics Orange in colour, Non-luminous Flame Characteristics Unsteady, BUNSEN BURNER Parts Gas jet, Non-luminous Flame Characteristics Orange in colour, BUNSEN BURNER How to light Step 5: Open the air hole until a non-luminous flame is obtained., Non-luminous Flame Characteristics Not very hot, Luminous Flame Characteristics Contains soot, BUNSEN BURNER Types of flame Luminous Flame, BUNSEN BURNER Types of flame Non-luminous Flame, BUNSEN BURNER Parts Gas tap, BUNSEN BURNER How to light Step 2: Put the gas lighter above the barrel., Luminous Flame Characteristics Not very hot, Collar Function To regulate the amount of air entering the burner through the air hole, BUNSEN BURNER How to light Step 3: Turn on the gas tap., Luminous Flame Characteristics Unsteady, Air hole Function To allow air to enter the burner, Barrel Function To raise the flame to a suitable height for burning, BUNSEN BURNER How to light Step 4: Strike the lighter to ignite the gas. A luminous flame will be obtained., Gas jet Function To enable gas to rush out from the gas supply and to draw in air