Multiple choice What is the difference between the flames of a Bunsen burner and a candle? A Bunsen burner's flame is red in colour and a candle’s flame is yellow in colour. A Bunsen burner’s flame is reddish yellow in colour and a candle’s flame is red in colour. A Bunsen burner’s flame is yellow in colour and candle’s flame is red in colour. A Bunsen burner’s flame is blue in colour and a candle’s flame is yellow in colour. Reveal answer Fill a bubble to check yourself D Correct answer Explanation A Bunsen burner’s flame is blue in colour because of complete combustion. A candle’s flame is yellow in colour.