A student performs a titration to determine the exact concentration of a solution of potassium hydroxide.
The potassium hydroxide solution is titrated against dilute hydrochloric acid.
The student is provided with a burette, a pipette with a safety filler, a conical flask, a white tile, and an indicator.
State one safety precaution the student should take when handling the potassium hydroxide solution and dilute hydrochloric acid.