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Questions and Answers
What is the primary use of a spatula in a laboratory setting?
What is the primary use of a spatula in a laboratory setting?
- Storing chemicals safely
- Measuring the volume of liquids
- Grinding and crushing solid substances
- Mixing, spreading, and lifting powders (correct)
Which materials are typically used to make a mortar in a pestle and mortar setup?
Which materials are typically used to make a mortar in a pestle and mortar setup?
- Glass and rubber
- Plastic and metal
- Steel and porcelain
- Stone, ceramic, wood, or glass (correct)
What is the function of a measuring cylinder in a laboratory?
What is the function of a measuring cylinder in a laboratory?
- To measure the mass of solid compounds
- To measure the volume of liquids (correct)
- To grind or mix solid substances
- To store chemicals at specific temperatures
Which statement about the pestle used with a mortar is true?
Which statement about the pestle used with a mortar is true?
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In what situations would a spatula be incorrectly used?
In what situations would a spatula be incorrectly used?
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Study Notes
Spatula
- A spatula is a flat, flexible blade used to mix, spread, and lift substances.
- It is used to scrape, transfer, and apply chemicals or pastes.
Pestle and Mortar
- A mortar is a durable bowl used to grind or crush substances.
- The pestle is used to grind or crush substances in the mortar.
- The mortar is typically made of stone, ceramic, wood, or glass.
- The pestle is usually made from the same material as the mortar.
Measuring Cylinder
- A measuring cylinder is a cylindrical container used to measure the volume of liquids.
- It is also known as a graduated cylinder.
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