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Questions and Answers
Which apparatus is used to hold multiple test tubes upright at the same time?
Which apparatus is used to hold multiple test tubes upright at the same time?
- Test tube holder
- Test tube rack (correct)
- Stirring rod
- Test tube brush
What is the function of a spatula in the laboratory?
What is the function of a spatula in the laboratory?
- To crush up solid chemicals into smaller pieces (correct)
- To hold test tubes in place when they are hot
- To hold solids and evaporate liquids
- To mix chemicals and liquids
What is the purpose of a watch glass in an experiment?
What is the purpose of a watch glass in an experiment?
- To hold multiple test tubes upright
- To mix chemicals and liquids
- To heat small quantities of different substances (correct)
- To evaporate liquids and produce a solid substance
What is the function of a mortar and pestle in the laboratory?
What is the function of a mortar and pestle in the laboratory?
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What is the purpose of an evaporating dish in an experiment?
What is the purpose of an evaporating dish in an experiment?
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