They dealt with combustible mixtures in their experiments, this is why they kept a fire extinguisher where?\nOptions:\n- hospital\n- chemistry lab\n- most businesses\n- classroom\n- public building Let's give stream of consciousness first:
User
Combustible mixtures are capable of catching fire. combustible mixtures are used for experiments in chemistry lab so that's why fire extinguisher is kept in chemistry lab to control fire.
Therefore, the answer is chemistry lab.
Assistant