Spot the correctly spelt word in the given list

Bunsen burner Bansan burner Bensan burner Bonson burner

Bunsen burner

The correctly spelled word is Bunsen burner. The other options are misspelled. Bansan burner has an extra "a" at the beginning. Bensan burner has an extra "n" in the middle. Bonson burner has an extra "o" at the beginning.