select all steps below that ensure laboratory safety during the experiment you carried out. using test tube…

select all steps below that ensure laboratory safety during the experiment you carried out. using test tube tongs to handle the hot test tubes reading the graduated pipette accurately checking the beaker for chips prior to heating on the hot plate turning off the hot plate after use done
Answer
Brief Explanations:
- Using test - tube tongs for hot test tubes prevents burns.
- Checking beaker for chips before heating avoids breakage during heating.
- Turning off hot plate after use prevents fire or over - heating hazards. Reading pipette accurately is about measurement accuracy, not safety.
Answer:
- using test tube tongs to handle the hot test tubes
- checking the beaker for chips prior to heating on the hot plate
- turning off the hot plate after use