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Worksheet about Common Apparatus used in a Chemistry Lab | ||
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| Subject: Chemistry | ||
| 7th Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 259.3KB | ||
| Number of clicks: 75 | ||
| Publish date:November 05, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-08-22 06:15:37 | ||
| Updated by: Eman9966 on 2023-11-05 14:06:53 | By: theodor RyanBAR | |
File info: Info Here's a description of some common apparatus used in a chemistry lab:1. Beaker: A cylindrical container with a flat bottom and a spout used for holding, mixing, and heating liquids. Beakers come in various sizes and are often marked with approximate volume measurements. 2. Erlenmeyer Flask: A conical-shaped flask with a flat bottom, a narrow neck, and a tapered opening. Erlenmeyer flasks are commonly used for mixing, heating, and storing liquids. The tapered opening allows for easy insertion of stoppers or funnels. 3. Test Tube: A small, cylindrical tube with a rounded bottom used for holding and mixing small amounts of liquids or conducting small-scale experiments. Test tubes are often held in a test tube rack for stability. 4. Burette: A long, graduated glass tube with a stopcock at the bottom used for precise volume measurements and controlled addition of liquids. Burettes are commonly used in titrations. 5. Pipette: A narrow, graduated glass tube used for precise measurement and transfer of small volumes of liquids. Pipettes come in various sizes, including micropipettes used for very small volumes. 6. Graduated Cylinder: A tall, narrow cylinder with marked volume graduations used for accurate measurement of liquid volumes. Graduated cylinders come in different sizes, ranging from small (10 mL) to large (1000 mL) capacities. 7. Funnel: A cone-shaped device with a narrow tube at the bottom used for guiding liquids into containers with small openings, such as bottles or test tubes. Funnels can be made of glass or plastic and may have various sizes of openings. 8. Thermometer: A device used for measuring temperature. In a chemistry lab, thermometers typically have a long, narrow glass tube filled with a temperature-sensitive liquid, such as mercury or alcohol. 9. Bunsen Burner: A gas burner used for heating substances in the lab. It consists of a metal base, a vertical metal tube, and an adjustable air vent. Bunsen burners are commonly used for heating, sterilizing, and performing flame tests. 10. Crucible: A small, heat-resistant ceramic or metal container with a lid used for heating substances to high temperatures. Crucibles are often used for carrying out reactions that require intense heat or for heating substances to remove impurities. 11. Mortar and Pestle: A pair of tools used for grinding and pulverizing solid materials into fine powders. The mortar is a bowl-shaped container, while the pestle is a heavy, blunt object used to crush and grind the material inside the mortar. These are just a few examples of the common apparatus used in a chemistry lab. There are many more specialized and specific pieces of equipment used for various purposes, depending on the nature of the experiment or analysis being conducted. | ||
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