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1. Which of the following is suitable for extinguishing a small fire involving an alkali metal?

• Class D
• Water
• Dry powder
• Class C

2. What are the five most serious hazards in the photo below?

• Rubber tubing
• The outlet to the sink
• Water flowing wrong way
• The rubber tubing is "push fit"
• Boss head upside down
• The stopper in the condenser
• Can't see labels on reagent bottles
• Trailing electric cable
• Clamp on condenser
• There are as many as five?!

3. What is the meaning of the following symbol?

4. ... and what is the meaning of the following symbol?

5. The NFPA diamond is designed to give general hazard information for chemicals. Match the meanings with each of the colours:

• Red: Flammable, Blue: Transport, Yellow: Reactivity, White: Health
• Red: Flammable, Blue: Health, Yellow: Reactivity, White: Special hazards
• Red: Protective equipment, Blue: Health, Yellow: Flammability, White: Special hazards
• Red: Health, Blue: Stability, Yellow: Reactivity, White: Special hazards
• Red: Flammable, Blue: Reactivity, Yellow: Health, White: Transport

6. The emergency services phone number from within college is:

• 0112
• 0999
• 1112
• 1999

7. In preparing a risk assessment, the MSDS for any given chemical can be obtained from which of the following?

• The RSC web site
• The internet
• The actual supplier of the chemical
• Any company that supplies that material
• Sigma-Aldrich website

8. Risk assessments must be reviewed (and revised as needed):

• After any accident in the same building
• Annually (at least)
• Every time the experiment is repeated
• During a heat wave or other exceptional weather
• When there is any significant change in the personnel at risk or equipment in use
• When the MSDS changes (including change of supplier)

9. A synthetic research group have a reaction for which the only suitable solvents are benzene and toluene. They only intend to run the reaction once. Which of the following is the correct choice of solvent, for the right reason?

• Benzene because it is cheaper and they're only doing it once
• This reaction is simply too dangerous to run
• Toluene because it is safer
• Toluene because benzene is a more powerful carcinogen
• Benzene because the acute reaction to toluene is more serious

10. The fire assembly point for the Cocker Lab is:

• Panoz entrance
• Hamilton entrance
• Front square
• Flat Iron
• Inside the Pav

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