Lillian always locks the cupboard in which she keeps the chemicals for the swimming pool. She has a curious four-year-old and she knows he wouldn't recognize the pretty colored vials as poison. One day, the pool maintenance person returned to his truck for a moment, and Lillian saw her dog sniffing at the open cupboard. Quickly, Lillian called the dog to her side and she scolded the maintenance person for leaving the open cupboard unattended. Lillian is most concerned about the which of the following factors of the chemicals inside? a) Ignitability
b) Toxicity
c) Reactivity
d) Corrosivity