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23 Cards in this Set
- Front
- Back
Why should you wear safety goggles? |
To protect your eyes.
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Why should you fasten long hair back? |
To keep out of chemicals and fire.
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Why should you only use the amounts and materials given in the experiment? |
It can cause an unsafe reaction. |
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Why are wet sponges instead of paper towels used to remove spilled chemicals from the laboratory table? |
The sponge will soak it up, the paper towel wont. |
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Rings and other jewelry should not be worn in the chemistry lab. Why? |
The chemicals could spill on them causing a reaction. |
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Why are bottles of chemicals kept tightly closed except when a quantity of chemical is being removed? |
To not have it spill and also to not have other stuff outside come in to the bottle. |
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State a reason why most chemicals are stored in a glass or plastic containers rather than a metallic one? |
Most chemicals don't react to glass or plastic, but do to metal. |
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How should you dispose of chemicals you have used in an experiment? |
In the jar, that says chemical disposal or where your teacher tells you to. Not in the sink! |
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If your skin itches, burns, or appears red while you are using your chemicals, what should you do? |
Tell the teacher. |
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What procedures should you follow to report a laboratory accident resulting in an injury to you? |
Tell the teacher. |
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What procedures should you follow to cope with a fire in the laboratory? |
First, tell the teacher than follow instructions. Which may involve a fire extinguesher, pull a fire alarm, or call 911. |
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Why is it important to work in a business like manner, quietly, and with a minimum of movement around the laboratory? |
So you don't get in the way of your other partners. |
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Why is it not advisable to eat or drink anything in a laboratory? |
Chemicals can spill and contaminate the food. |
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Why should you read the label on a bottle twice before you use any of its contents? |
So you don't accidentally grab the wrong chemical. |
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You should hold a bottle of liquid with the label toward the palm of your hand when you pour the liquid out. Why? |
To protect the label. |
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A cap, cork, or stopper from a bottle of liquid is not put on a desk while you are pouring out some of the liquid. Why? |
There could be a chemical on the stopper which can cause a reaction. |
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Point___________ _______________ away from yourself and others while heating. |
Test Tubes |
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Keep flammable liquids away from ___________ sources. |
Heat |
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Only"___________________________________" type of glass can be safely heated. |
Heat resistant glass |
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Do not allow containers to __________ ___________ when heating. |
Boil dry |
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Do not heat ______________or______________ glassware. |
Cracked Chipped |
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When heating is completed, turn the Bunsen burner ___________. |
Off |
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Wear _____________ at all times when using a Bunsen burner. |
Goggles |