Multiple Choice
Which of the following is a common-sense practice in a laboratory environment?
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4. BONUS: Lab Techniques and Procedures
Laboratory Materials
Multiple Choice
What is the primary purpose of using a mortar and pestle when processing a substance in the laboratory?
A
To heat the substance to a high temperature
B
To grind the substance into a fine powder
C
To separate the substance into its components by filtration
D
To measure the mass of the substance
Verified step by step guidance1
Understand the function of a mortar and pestle in a laboratory setting: it is a tool used to manually grind and crush substances.
Recognize that grinding a substance increases its surface area, which can be important for reactions or further processing.
Eliminate options that do not align with the physical action of a mortar and pestle, such as heating, filtering, or measuring mass.
Identify that the primary purpose is to convert a solid substance into a fine powder by grinding it.
Conclude that the correct use of a mortar and pestle is to grind the substance into a fine powder for easier handling or reaction.
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