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Questions and Answers
Which apparatus is used to hold test tubes while heating them?
Which apparatus is used to hold test tubes while heating them?
- Beaker
- Test tube holder (correct)
- Test tube rack
- Erlenmeyer flask
What is a graduated cylinder used for?
What is a graduated cylinder used for?
- Measuring liquids (correct)
- Holding test tubes
- Mixing substances
- Heating substances
Which apparatus is used to contain a stated amount of liquids in the preparation of solutions?
Which apparatus is used to contain a stated amount of liquids in the preparation of solutions?
- Funnel
- Beaker
- Erlenmeyer flask
- Volumetric flask (correct)
What is an evaporating dish used for?
What is an evaporating dish used for?
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Which apparatus is used to transport and rest test tubes?
Which apparatus is used to transport and rest test tubes?
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Study Notes
Laboratory Apparatus
- A test tube rack or holder is used to hold test tubes while heating them, allowing for safe and organized heating.
- A graduated cylinder is used to accurately measure the volume of liquids, typically for mixing or diluting solutions.
- A volumetric flask is used to contain a stated amount of liquids, ensuring precise measurements when preparing solutions.
- An evaporating dish is used to heat and evaporate liquids, often to produce a crystalline solid or to remove excess solvent.
- A test tube holder or clamp is used to transport and rest test tubes, providing a secure grip and preventing accidental breakage.
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