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What is the primary function of a Bunsen burner in a laboratory?
What is the primary function of a Bunsen burner in a laboratory?
- To measure fluid volumes accurately
- To evaporate liquids
- To store and mix chemicals
- To produce a very hot flame for heating substances (correct)
Which glassware is designed for accurate fluid dispensing and measurement?
Which glassware is designed for accurate fluid dispensing and measurement?
- Volumetric flask
- Burette (correct)
- Funnel
- Erlenmeyer flask
Which laboratory apparatus is characterized by a wider bottom than top to enhance heating efficiency?
Which laboratory apparatus is characterized by a wider bottom than top to enhance heating efficiency?
- Evaporating dish
- Erlenmeyer flask (correct)
- Beaker
- Florence flask
What is the use of a micro spatula in a laboratory setting?
What is the use of a micro spatula in a laboratory setting?
Which piece of laboratory equipment is used mainly for heating substances that require even heat distribution?
Which piece of laboratory equipment is used mainly for heating substances that require even heat distribution?
What role does a thermometer serve in laboratory experiments?
What role does a thermometer serve in laboratory experiments?
Which equipment is primarily used for transferring liquids into other containers to prevent spills?
Which equipment is primarily used for transferring liquids into other containers to prevent spills?
In what scenario would a volumetric flask be used in a laboratory?
In what scenario would a volumetric flask be used in a laboratory?
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Study Notes
Laboratory Equipment
- Beaker: Open glass cylinder with a pouring lip used for mixing, stirring, and heating liquids.
- Reagent bottle: Used for storing, mixing, and displaying chemicals.
- Bunsen burner: Produces a hot flame from a mixture of gas and air, used for heating.
- Burette: Graduated glass tube with a stopcock, used for accurate fluid dispensing and measurement.
- Erlenmeyer flask: Wider bottom than the top, used for heating and storing liquids.
- Evaporating dish: Used to heat and evaporate liquids.
- Florence flask: Bulb-shaped bottom for even heat distribution, used for distillation experiments.
- Funnel: Transfers liquids into another container to prevent spills.
- Micro spatula: Transfers small amounts of solid materials.
- Pipette: Used to move small amounts of liquids, typically disposable.
- Mortar and pestle: Used to grind solids into powders.
- Ring stand: Supports items being heated, clamps or rings can be used to hold other items above the stand.
- Test tube holder: Holds test tubes while being heated.
- Test tube rack: Holds test tubes upright for observation or storage.
- Thermometer: Measures temperature in Celsius, Fahrenheit, or Kelvin.
- Tongs: Used to hold hot objects such as flasks, crucibles, and evaporating dishes.
- Volumetric flask: Used to prepare solutions of fixed volumes.
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