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Questions and Answers
What is the purpose of qualitative analysis?
What is the purpose of qualitative analysis?
- To break substances into their ultimate constituents
- To find out the nature of substances and identify their constituents (correct)
- To measure the exact quantities of substances
- To neutralize acids with bases
In the formation of a salt, what is the part contributed by the base called?
In the formation of a salt, what is the part contributed by the base called?
- Anion
- Precipitate
- Neutralization
- Cation (correct)
What amount of substance is used in macro analysis?
What amount of substance is used in macro analysis?
- 0.1 to 0.5 g (correct)
- Very small amount
- 0.05 g
- 1 mL
What does systematic analysis of an inorganic salt involve?
What does systematic analysis of an inorganic salt involve?
What are the easily perceptible reactions involved in qualitative analysis?
What are the easily perceptible reactions involved in qualitative analysis?
What is the nature of qualitative analysis?
What is the nature of qualitative analysis?
What is the part contributed by the base in the formation of a salt called?
What is the part contributed by the base in the formation of a salt called?
What is the amount of substance needed for micro analysis?
What is the amount of substance needed for micro analysis?
What reactions are involved in qualitative analysis?
What reactions are involved in qualitative analysis?
What does macro analysis involve?
What does macro analysis involve?
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Study Notes
Qualitative Analysis
- The purpose of qualitative analysis is to identify the constituents of a substance, typically an inorganic salt.
Formation of a Salt
- The part contributed by the base in the formation of a salt is called the anion.
Analytical Techniques
- Macro analysis involves the use of a relatively large amount of substance, typically in the range of 0.1-1 gram.
- Micro analysis, on the other hand, requires a much smaller amount of substance, typically in the range of 1-100 milligrams.
Qualitative Analysis Procedures
- Systematic analysis of an inorganic salt involves the identification of both anions and cations present in the salt.
- Qualitative analysis typically involves easily perceptible reactions, such as color changes, precipitation, and gas evolution.
Nature of Qualitative Analysis
- Qualitative analysis is a non-quantitative analytical technique, meaning it does not provide information about the amount of substance present, but rather its composition.
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