Heating Substances
Can you point the open end of a heated test tube towards yourself?
No.
Who do you ask if you don't understand something?
The teacher
Can you return unused chemicals to their original containers?
No.
What should you use to clean up broken glass?
A brush and a dustpan.
Who should you report any accidents or injury to immediately?
The instructor.
Exercise what while using a gas burner.
Extreme caution.
What do you have to do before starting a lab?
Read the instructions.
How should you smell chemicals?
Wave your hand, to waft the sent.
In a vertical position.
What are you to flush your eyes out with if a chemical splashes in your eyes.
Water.
What should you use to pick up heated metal and glass?
Tongs or heat-protected gloves.
What do you have to do after a lab?
Wash your hands with soap and water.
What should you check twice before removing any of the contents?
The label on the bottle.
What should you do before using any piece of glassware?
Examine it.
What are you not to do if a chemical in the laboratory is considered dangerous?
Touch, taste, or smell unless instructed to.
What should you use to place an apparatus on the laboratory desk?
An insulating pad.
What do you do with your hair during a lab?
Pull it back.
Where should you hold chemicals when transferring containers?
Away from your body.
True of False. You should immerse hot glassware into cold water to cool it down.
False.
Are labs to learn and have fun?
Yes.
Does heated glass look like cool glass?
Yes.
When can you fool around in the laboratory?
Never
Where can't you bring chemicals?
Out of the laboratory.
What should you always do before attempting to insert a stopper?
Lubricate the glassware.
What do you yell out when someone is injured?
Code 1! Code 1!