Laboratory Apparatus

Question 1

point the mouth of the test tube at anyone when heating or doing a reaction in a test tube. T or F

Answer 1

False (never)

Question 2

Never pour water into concentrated acid when preparing solutions. T or F

Answer 2

True (acid to water not water to acid)

Question 3

wipe burns from acid or bases immediately and thoroughly. T or F

Answer 3

False (wash with water)

Question 4

Never taste a chemical unless specifically directed to do so. T or F

Answer 4

True

Question 5

Always use glycerine or soapy water as a lubricant when inserting glass tubing into rubber stoppers. Protect your hand by wrapping the glass tubing with a towel. T or F

Answer 5

True

Question 6

Carefully read the labels of reagent before getting their contents. Get more than what is required by the experiment. T or F

Answer 6

False (never get….)

Question 7

return unused chemicals in the reagent bottle. Discard solid waste materials into the waste can and liquid waste materials into the sink. T or F

Answer 7

False (Never return)

Question 8

Never use the same spoon or glass tubing with different reagents without washing and drying them first. T or F

Answer 8

True

Question 9

Always clean apparatus in all your experiments. T or F

Answer 9

True

Question 10

Always use a luminous burner flame when the burner is to be used. When the burner is to be lighted stay away from the tip of the barrel. T or F

Answer 10

False (non-luminous)

Question 11

Never leave an experiment unattended when heating or when reaction is taking place. T or F

Answer 11

True

Question 12

Strong acids and bases should be diluted with water before being poured down the sink.

Answer 12

Water Soluble Liquid Wastes

Question 13

For measurement of an amount of liquid.

Answer 13

Graduated Cylinder

Question 14

Are useful as a reaction container or to hold liquid or solid samples. They are also used to catch liquids from titrations and filtrates from filtering operations.

Answer 14

Beaker

Question 15

One of the most important apparatuses as they are functional from storing to mixing reagents in any chemical or biological reactions.

Answer 15

Test tube

Question 16

A type of flask used as an item of laboratory glassware. It can be used as a container to hold solutions of chemicals.

Answer 16

Florence Flask

Question 17

Used to contain liquids and for mixing, heating, cooling, incubation, filtration, storage, and other liquid-handling processes.

Answer 17

Erlenmeyer flask

Question 18

Used to hold solids, evaporate liquids, and heat small quantities of different substances as per the need of the experiment.

Answer 18

Watch Glass

Question 19

are made up of porcelain and are used to store and heat substances when required to be heated at high temperatures.

Answer 19

Crucible and cover

Question 20

• Its mostly used in the titration reactions and is handful in delivering a known volume of any substance to other equipment. This apparatus is a long-graduated tube, with a stopcock present at the lower end.

Answer 20

Burette (Buret)

Question 21

• To transfer liquids and samples during the laboratory workflow

Answer 21

Medicine dropper

Question 22

• Used for filtering, filling, decanting or transferring liquids or powders from one vessel to another.

Answer 22

Funnel

Question 23

• Used for mixing liquids, or solids and liquids.

Answer 23

Stirring Rod

Question 24

• Used to prepare ingredients or substances by crushing and grinding them into a fine paste or powder

Answer 24

Mortar and Pestle

Question 25

- Used in labs to separate liquids and solids from a solution by allowing the water to evaporate off into the air.

Answer 25

Evaporating Dish

Question 26

- Used to measure temperatures or temperature changes with a high degree of precision.

Answer 26

Thermometer

Question 27

- Used to measure out or transfer small quantities of liquid, in volumes of milliliters (mL), microliters (μL).

Answer 27

Pipette (Pipet)

Question 28

- Used to separate mixtures of two liquids with different boiling points

Answer 28

Distilling Flask

Question 29

- used for measuring accurate volumes of liquid materials for laboratory experiments.

Answer 29

Volumetric Flask

Question 30

- Used to cool and condense a gas back to a liquid, often as part of the process of chemical distillation.

Answer 30

Liebig’s condenser

Question 31

- To hold things and is placed in an iron stand to elevate other equipment.

Answer 31

Iron Clamp

Question 32

Supporting apparatus above the work surface.

Answer 32

Iron Stand

Question 33

The ____ serves to identify the pH of any solution by changing colors whereas, the _____ serves in the filtration process.

Answer 33

Litmus and filter paper

Question 34

- Used to support a crucible while it is heated over a Bunsen burner.

Answer 34

Clay Triangle

Question 35

- Usually used to keep glass beakers or flasks from breaking due to heat shock.

Answer 35

Wire Gauze

Question 36

- Used in the laboratory to score glass tubing before cutting, then smoothing the edges before use.

Answer 36

Triangular File

Question 37

- To hold test tubes securely while they are being filled, stirred, or heated.

Answer 37

Test tube holder

Question 38

- Used to heat substances, to combust substances, and to sterilize objects on high heat

Answer 38

Bunsen Burner

Question 39

- Used for the flow of fluids and gases.

Answer 39

Rubber tubing

Question 40

- Used to lift a hot crucible from a furnace or for other items which cannot be handled with bare hands.

Answer 40

Crucible Tongs

Question 41

- Used for cleaning test tubes and narrow mouth laboratory glassware, such as graduated cylinders, burettes, and Erlenmeyer flasks.

Answer 41

Test Tube Brush

Question 42

Useful material to stop test tubes and flasks.

Answer 42

Cork

Question 43

- Used to seal test tubes, flasks, and other containers during experiments or storage.

Answer 43

Rubber Stopper

Question 44

- Used to hold upright multiple test tubes at the same time.

Answer 44

Test Tube Rack

Question 45

- Most common laboratory balance that determines the mass of chemicals or objects with high accuracy.

Answer 45

Analytical Balance & Triple Beam Balance

Question 46

- Used to support equipment such as beakers, flasks, and other glassware during experiments.

Answer 46

Tripod

Question 47

- To help with mixing, scraping, and other tasks related to transferring materials and samples from one place to another.

Answer 47

Spatula