Analyzing Substances: Grade 9 Chemistry Worksheet
This worksheet covers fundamental concepts of analyzing substances, including qualitative and quantitative analysis, and common laboratory techniques.
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Analyzing Substances: Grade 9 Chemistry
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Read each question carefully and provide your best answer. Show all work where applicable.
1. Which type of analysis identifies the components present in a sample?
Quantitative analysis
Qualitative analysis
Volumetric analysis
Gravimetric analysis
2. What is the primary purpose of titration in chemical analysis?
To separate mixtures
To determine the concentration of a substance
To identify unknown elements
To measure the pH of a solution
1. analysis focuses on determining the amount or quantity of specific components in a sample.
2. A is a substance added to a titration to indicate the endpoint of the reaction by changing color.
3. Chromatography is a separation technique based on the differential of components between a stationary phase and a mobile phase.
1. Flame tests are a type of quantitative analysis.
True
False
2. Distillation is a method used to separate liquids with different boiling points.
True
False
1. Describe the difference between qualitative and quantitative analysis using an example for each.
2. Explain how a mass spectrometer works to analyze substances.
Observe the image below showing laboratory analysis equipment.
3. Based on the general appearance of the lab, what kind of analysis do you think is being performed? Justify your answer.
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