(A) Bunsen Burner
(B) Bunsen Micrometer
(C) Bunsen Compass
(D) None of these
🧠 Explanation:
- Robert Bunsen was a German chemist known for his work in spectroscopy and gas analysis.
- He is best known for developing a special type of gas burner used in laboratories.
- This device produces a clean, controllable flame by mixing gas with air before combustion.
- It became a staple in scientific labs and is widely known as the Bunsen Burner.