CHM1011 - Chemistry I - S1 2025
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Fire Extinguishers
Most of the fire extinguishers located throughout the laboratory are carbon dioxide fire extinguishers, since often, water should not be used on a fire in a chemistry laboratory.
From the options below, select the types of fires where water should not be used.
Emergency Protocols
In the case of an emergency, we may be evacuated from the laboratory. In the case of an evacuation, the following protocols must be observed:
- Upon hearing the warning siren (a beeping sound), we must prepare to evacuate. This means make the laboratory safe (e.g. switch off hotplates, replace caps on reagents) and prepare to leave the laboratory (e.g. remove gloves, retrieve phones).
- When we hear the evacuation siren (a whooping sound), head towards the nearest emergency exit, and gather at the evacuation assembly area (at 14 Rainforest Walk, in front of the Faculty of Science Student Lounge).
- We must remain at the assembly area until the All Clear is given to return to the laboratory.
Referring to the emergency evacuation plan in your laboratory manual, in which direction/s are the emergency exit/s for the First Year Laboratories?
Unsafe Laboratory Practices
Which of the following should you not do in the laboratory? Select all that apply.
Waste Disposal
For each of the following types of waste, determine the appropriate method for disposal:
- Broken glassware:
- Ethanol solution (50%):
- Used gloves:
- Cobalt(III) chloride solution (0.10 M):
- Used Pasteur pipettes:
- Iron(III) oxalate (solid):
- Hydrochloric acid solution (1.0 M):
- Paper towel used for wiping benches:
In the event of glassware breakages:
- Whom should you inform?
- How should you collect broken glassware?
- Where should you dispose of clean broken glassware:
Chemical contact with eyes
In the case of acidic, basic or toxic chemicals making contact with the eyes, select the most appropriate courses of action.
In the event of a burn or chemical spill on your skin, what procedure should be followed?
- What should you do first?
- How long should you wash your skin for?
- Whom should you inform?
Chemical spills
It is not uncommon for chemicals to get spilled in the laboratory environment. In the case of water, this may be simply mopped up, but acidic and basic solutions, or other mixtures may require more care.
What should you do if an unknown solution is spilled on the floor?
Fume hoods
Many chemicals used in the laboratory are volatile. We typically use these in 'fume hoods'.
From the actions listed below, select those which reflect the appropriate use of a fume hood.
Eye Wash and Safety Shower Stations
Locate the eye wash and safety shower stations, denoted by these signs as you go on your virtual tour of the First Year laboratory.How many eye wash/safety shower stations are there?
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