13. When carrying out chemical experiments, the hazards and risks must be considered.
For a given chemical
A the hazard is fixed but the risk varies
B the hazard varies but the risk is fixed
C both hazard and risk are fixed
D both hazard and risk vary
ANSWER
A the hazard is fixed but the risk varies
Analysis of Option/Explanation
A Hazard is something that has the potential to harm you (i.e. fixed). Risk is the likelihood of a hazard causing harm (i.e. it may vary). Hence, option A is the correct answer.
