Multiple Choice
Which of the following is the best way to determine the proper disposal protocols for remaining chemicals in your laboratory kit?
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4. BONUS: Lab Techniques and Procedures
Laboratory Materials
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Which type of thermometer has most commonly replaced traditional glass thermometers in modern chemistry laboratories?
A
Infrared thermometers
B
Digital thermometers
C
Alcohol thermometers
D
Mercury-in-glass thermometers
Verified step by step guidance1
Understand the context: Traditional glass thermometers, such as mercury-in-glass and alcohol thermometers, have been widely used historically to measure temperature in chemistry labs.
Consider the limitations of traditional glass thermometers: They can be fragile, contain toxic substances (like mercury), and may have slower response times.
Identify modern alternatives: Infrared thermometers measure temperature from a distance using infrared radiation, but they are less common for direct temperature measurement of liquids or reactions in labs.
Recognize that digital thermometers use electronic sensors to provide quick, accurate, and safe temperature readings, making them highly suitable for modern laboratory use.
Conclude that digital thermometers have most commonly replaced traditional glass thermometers in modern chemistry laboratories due to their safety, accuracy, and ease of use.
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