Analyzing Substances: Grade 11 Chemistry
A worksheet for Grade 11 Chemistry students covering methods and principles of analyzing substances, including qualitative and quantitative analysis.
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Analyzing Substances: Grade 11 Chemistry
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Read each question carefully and provide concise, accurate answers. Show all your work for calculations.
1. Which of the following analytical techniques is primarily used for identifying the components of a substance, rather than their quantities?
Gravimetric analysis
Titration
Qualitative analysis
Spectrophotometry
2. Which piece of laboratory equipment is essential for accurately measuring the volume of a liquid during a titration?
Beaker
Erlenmeyer flask
Burette
Graduated cylinder
3. The process of separating components of a mixture based on their differential distribution between a stationary phase and a mobile phase is called .
4. In quantitative analysis, the amount of a substance is determined, often expressed in terms of or .
5. Briefly explain the difference between qualitative and quantitative analysis in chemistry.
6. Describe one common application of chromatography in a real-world scenario.
7. A primary standard is a substance of high purity that can be weighed directly and used to prepare a solution of known concentration.
True
False
8. Spectroscopy involves the interaction of electromagnetic radiation with matter to obtain information about the structure and composition of a substance.
True
False
9. Identify the following laboratory equipment and state its primary use in analytical chemistry.
Equipment 1:
Use:
Equipment 2:
Use: