Lab Safety

2. handle flammable ________ liquids over a pan to contain spills
4. all chemicals in the laboratory are to be considered _________
8. do not ___ __ ___ unless specifically instructed to do so
10. ___ must be handled with extreme care.
11. check the ___ on chemical bottles twice before removing any of the contents

1. never return unused chemicals to their original ________
3. Never use _____ suction to fill a pipet
5. take only as much _______ as you need
6. never ____ chemicals or other materials from the labratory
7. when transferring reagents from one container to another, hold the containers ____ from your body
9. use a _____ ____ to fill a pipet