Type of hood or barrier used in the laboratory to capture chemical vapors and fumes

• A. Water Bath
• B. Fume Hood
• C. Graduated Cylinder
• D. Micropipette

Answer: (B)

Understanding how to vent hazardous vapors is essential for lab safety. A fume hood is designed to protect you by directing contaminated air away from your breathing zone and exhausting it outside the building. It creates a controlled airflow with a sash you can position to shield your face while you work, so chemical vapors and fumes are captured before they reach you.

The other devices have different jobs and don’t provide vapor capture. A water bath is used to heat samples in water at a controlled temperature, not to remove fumes. A graduated cylinder measures liquids, and a micropipette transfers precise volumes; neither is a containment or ventilation device.