Labs Practice Exam Questions And Correct

FDNY D15: Supervise the Storage and

Handling of Chemicals in NYC K-12 School Labs Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• Which of the following is the most important factor when storing

chemicals in a K-12 school laboratory?

• Color of the chemical container
• Price of the chemical
• Compatibility of chemicals
• Supplier of the chemical

Rationale:

Chemicals must be stored according to their compatibility to prevent dangerous reactions. 1 / 4

• Which type of fire extinguisher is appropriate for a chemical fire in a

school lab?

• Water
• Class ABC
• Foam only
• CO₂ for paper fires

Rationale:

Class ABC extinguishers can handle most types of chemical fires including combustible materials, flammable liquids, and electrical fires.

• How should acids and bases be stored in a school laboratory?
• Together on the same shelf
• In locked metal boxes only
• Separately with secondary containment
• In cardboard boxes

Rationale:

Acids and bases are corrosive and must be stored separately to prevent reactions. Secondary containment helps contain spills.

• Which document provides critical information about chemical

hazards?

• Lesson plan
• Purchase order
• Safety Data Sheet (SDS)
• Inventory spreadsheet 2 / 4

Rationale:

SDSs provide detailed information about chemical hazards, handling, storage, and emergency procedures.

• What is the first action to take if a chemical spill occurs in a lab?
• Sweep it into a dustpan
• Wash it down the sink
• Alert others and follow spill response procedures
• Call the principal only

Rationale:

Immediate action is to protect personnel and prevent exposure. Alerting others ensures safety.

6. Flammable chemicals should be stored in:

• Regular metal cabinets
• Flammable storage cabinets
• Cardboard boxes
• Any closet away from water

Rationale:

Flammable storage cabinets are designed to prevent fires and contain vapors safely.

• Personal protective equipment (PPE) for handling corrosive chemicals

includes:

• Sandals and apron 3 / 4

• Gloves only
• Gloves, goggles, and lab coat
• No PPE needed for small amounts

Rationale:

Full PPE minimizes the risk of skin and eye injuries from corrosive chemicals.

• How often should chemical inventories be updated in school labs?
• Once every 5 years
• Only when new chemicals arrive
• Annually or when changes occur
• Never

Rationale:

Regular inventory ensures chemicals are current, safe, and compliant with regulations.

• Which is the proper way to label chemicals in a school lab?
• Name only
• Name, hazard, and date received
• Hazard symbol only
• Initials of teacher only

Rationale:

Proper labeling communicates hazards and prevents misuse.

• / 4