Chem Lab Safety and Equipment

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36 Terms

1
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<p>Bunsen Burner</p>

Bunsen Burner

used for heating and exposing items to flame

2
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Flint Lighter

starts bunson burner

3
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Ring Clamp

used to hold rings

4
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<p>Wire gauze </p>

Wire gauze

placed on a ring of the ring stand

to hold objects such as beakers or flasks.

5
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<p>test tube holder</p>

test tube holder

used to hold test tubes

6
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<p>tongs</p>

tongs

holds many different things, usually hot objects

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<p>crucible </p>

crucible

used to heat small substances to

very high temperatures.

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<p>evaporating dish</p>

evaporating dish

used to heat and evaporate liquids.

9
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<p>graduated cylinder </p>

graduated cylinder

is used to precisely

measure the volume of liquids.

10
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<p>beaker and measurments</p>

beaker and measurments

The graduations are for estimation and should

not be used for exact measurements of volume

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test tube

used to hold, mix, and heat liquids

during experiments.

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watch glass

used to hold solids when being weighed

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Holding 250 mL of water ___________________

beaker

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2. Measuring 12.5 mL of a liquid _________________

gratuated cylindar

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3. Evaporating water from an aqueous solution containing a precipitate (a solid that

forms when two solutions are mixed)________________

evaporating dish (fill in blank)

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4. Determining the mass of a solid ______________________

scale

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5. Holding a test tube upright _________________to be able to see the whole bottle

test tube rack

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6. Transporting a hot crucible from one location to another ____________________

tongs

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7. Heating something in the lab ____________________

burnasn burner

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8. Mixing two liquids together ______________________

erlenmeyer flask

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9. Suspending a beaker over a burner ______________________

wire gauze

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Heating a test tube over a burner ________________________

test tube holder

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When and why should you wear safety goggles?

In teh lab during an experiment

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What should you do if a chemical spills on your hands

wash with water and alert teacher

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What should you do if you get a small cut from a piece of glassware?

alter teacher and address wound

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. What should you do if a chemical splashes into your eyes

have parthner walk you over to eye rinsing sink and clea out eye. Alert teacher

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Why is it necessary to report all accidents to the teacher?

so she is aware and can asset the sitution

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Discuss the dangers of putting food, pop, coffee, pencils, erasers, or similar things

in your mouth in this classroom or laboratory?

can cause harm to experiment and self

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If you have long hair or loose clothing, what should you do before working in the

lab?

tie your hair back

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How do you heat substances safely in a test tube?

With tongs over the burner

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What do you do with insoluble waste materials from an experiment?

disgaurd them in the ____________

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. What do you do with broken glass?

alert teacher to clean up and place glass in designated bin

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3 things to avoid problems in the lab

  1. read directions

  2. ask questions

  3. use proper equipment with glassware

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<p>Utility Clamp</p>

Utility Clamp

used to hold round laboratory equipment or holding tubes into place

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<p>clay triangle</p>

clay triangle

supports a crucible on a bunsen burner

36
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<p>clamp or ring stand</p>

clamp or ring stand

used to hold items securely in the lab