Usage patterns
〈物〉を使用するto use a chemical or medicine
We used this chemical in the experiment.
〈物〉にかぶれるto have a skin reaction to a chemical
My hands got a rash from that chemical.
〈物〉を管理するto manage or control (dangerous) chemicals
The factory strictly manages its chemicals.
〈物〉を調合するto mix or compound medicine
The pharmacist mixed the medicine for me.
