You must all have been very well behaved!
They would not have risked a practical session with that type of chemical.
Sit and watch: yes.
Hands on: definitely NO!
The teacher was out of the room, and we got the chemicals from the cleaning stores. We were bad kids ;-).
Our teacher was a World War I veteran.
We just set our hair on fire with the Bunsen burners (accidentally while bending over the microscope. I wonder if the instructor bolted those things down in that position just to laugh at us.).