10.3 Using materials

• What is the purpose of using materials in chemistry experiments?

  Measure, contain, observe, facilitate
• Test tubes, flasks, and crucibles are used to safely contain and handle chemical reactions.


  True
• Selecting the appropriate materials is crucial to ensure the experiment is conducted safely and accurately
• Pipettes, burettes, and balances are examples of measuring devices used in chemistry experiments.


  True
• What are the four main purposes of using materials in chemistry experiments?

  Measure, contain, observe, facilitate
• Common materials used in chemistry experiments include glassware, measuring devices, heating/cooling tools, and safety equipment
• Beakers, test tubes, flasks, and crucibles are examples of glassware used to contain and observe chemical reactions.


  True
• Materials like beakers, pipettes, and balances are used to accurately measure
• Why are transparent materials like glass used in chemistry experiments?

  Observe physical properties
• What type of materials are beakers, test tubes, flasks, and crucibles?

  Glassware
• Match the material type with its purpose:

  Glassware ↔️ Contain and observe reactions

  Measuring Devices ↔️ Measure quantities of substances

  Heating/Cooling ↔️ Facilitate temperature changes

  Safety Equipment ↔️ Protect experimenters from hazards
• Choosing appropriate materials ensures safety, accuracy, and the desired observations during experiments.


  True
• What is the primary purpose of glassware in chemistry experiments?

  Contain and observe
• Why is chemical compatibility important when selecting materials?

  Prevent reactions or degradation
• What is the purpose of using a beaker in chemistry experiments?

  Mixing reactants
• Which materials are commonly used to contain and observe chemical reactions?

  Glassware
• Bunsen burners, hot plates, and ice baths are used to facilitate heating or cooling of reactions in chemistry experiments.


  True
• Heating devices like Bunsen burners are used to facilitate heating reactions.


  True
• Safety equipment like goggles and gloves are used to protect experimenters from potential hazards.
• Chemical compatibility ensures the material does not react or degrade in the presence of chemicals.
• Dropping lab materials is acceptable as long as they are immediately cleaned up.

  False
• Hazardous waste should be disposed of according to proper protocols to prevent environmental contamination.


  True
• Careful handling, storage, and selection of materials helps maintain a safe and productive lab environment.
• Chemical compatibility ensures that the material does not react or degrade in the presence of chemicals
• Pipettes are used to dispense accurate volumes of liquids in chemistry experiments.


  True
• Measuring devices like pipettes and burettes are used to measure quantities of substances
• Glassware such as beakers and test tubes are used to contain and observe chemical reactions.
• Match the material type with its example:

  Glassware ↔️ Flasks

  Heating/Cooling ↔️ Ice baths

  Safety Equipment ↔️ Fume hoods

  Stirring/Mixing ↔️ Magnetic stirrers
• The choice of appropriate materials is crucial for conducting experiments safely and accurately.

  True
• Match the factor with its example:

  Chemical compatibility ↔️ Glass beakers for acids

  Temperature resistance ↔️ Pyrex glassware for heating

  Accuracy ↔️ Calibrated pipettes for volume

  Safety ↔️ Safety goggles and gloves
• Containers in the lab must be clearly labeled with the contents, concentration, and hazard information.
• Match the factor with its importance:

  Chemical compatibility ↔️ Avoid degradation by chemicals

  Temperature resistance ↔️ Withstand experimental temperatures

  Safety ↔️ Protect from spills and fumes

  Accuracy ↔️ Obtain reliable data
• Using a calibrated pipette to measure the volume of an acid solution ensures precision in the experiment.


  True