Podcast
Questions and Answers
What is required for an initiative to be valid within a legislative district?
What is required for an initiative to be valid within a legislative district?
Which of the following statements about the plebiscite for constitutional amendments is true?
Which of the following statements about the plebiscite for constitutional amendments is true?
What limitation is placed on the number of times an initiative can be proposed?
What limitation is placed on the number of times an initiative can be proposed?
What is the purpose of the initiative as defined in the provided content?
What is the purpose of the initiative as defined in the provided content?
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What is the percentage of registered voters necessary to support an effective proposal during a referendum?
What is the percentage of registered voters necessary to support an effective proposal during a referendum?
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How is vertical stare decisis viewed in relation to horizontal stare decisis?
How is vertical stare decisis viewed in relation to horizontal stare decisis?
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Which statement best describes the relationship between government and state?
Which statement best describes the relationship between government and state?
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What best describes the term 'nation' in contrast to 'state'?
What best describes the term 'nation' in contrast to 'state'?
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In what scenario would Congress vote jointly?
In what scenario would Congress vote jointly?
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Which of these statements about people's initiatives is accurate?
Which of these statements about people's initiatives is accurate?
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What distinguishes a self-executing provision from a non-self-executing provision?
What distinguishes a self-executing provision from a non-self-executing provision?
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Which of the following statements about non-self-executing provisions is true?
Which of the following statements about non-self-executing provisions is true?
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What is a characteristic of a self-executing provision in the Constitution?
What is a characteristic of a self-executing provision in the Constitution?
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What do qualitative tests primarily assess in constitutional provisions?
What do qualitative tests primarily assess in constitutional provisions?
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What indicates a provision is considered mandatory under the Constitution?
What indicates a provision is considered mandatory under the Constitution?
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What does the quantitative test focus on when analyzing constitutional provisions?
What does the quantitative test focus on when analyzing constitutional provisions?
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Which of the following is an example of a self-executing provision?
Which of the following is an example of a self-executing provision?
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What voting threshold is required for Congress to call a constitutional convention?
What voting threshold is required for Congress to call a constitutional convention?
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Which scenario would most likely require a provision to be non-self-executing?
Which scenario would most likely require a provision to be non-self-executing?
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Which proposal method allows the electorate to determine the need for a constitutional convention?
Which proposal method allows the electorate to determine the need for a constitutional convention?
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What is the absolute majority vote requirement for Congress to submit the question of calling a convention to the electorate?
What is the absolute majority vote requirement for Congress to submit the question of calling a convention to the electorate?
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If the 2/3 voting requirement of Congress is not met, what is the next step?
If the 2/3 voting requirement of Congress is not met, what is the next step?
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What role does Congress have when acting as a constituent body regarding constitutional amendments?
What role does Congress have when acting as a constituent body regarding constitutional amendments?
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How many votes are needed for Congress to propose an amendment in a joint session?
How many votes are needed for Congress to propose an amendment in a joint session?
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What is the necessary requirement for the electorate to call upon a constitutional convention?
What is the necessary requirement for the electorate to call upon a constitutional convention?
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If Congress proposes a constitutional amendment, what action must follow for it to become law?
If Congress proposes a constitutional amendment, what action must follow for it to become law?
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What is required for any amendment or revision of the Constitution to be considered valid?
What is required for any amendment or revision of the Constitution to be considered valid?
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What is the maximum time frame for holding a plebiscite after the approval of an amendment?
What is the maximum time frame for holding a plebiscite after the approval of an amendment?
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Which process can the electorate use to suggest amendments to the Constitution?
Which process can the electorate use to suggest amendments to the Constitution?
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What is necessary for the initiative concerning amendments to operate?
What is necessary for the initiative concerning amendments to operate?
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What does vertical stare decisis relate to in the context of judicial decisions?
What does vertical stare decisis relate to in the context of judicial decisions?
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Which statement about proposing a Constitutional Convention (Con-Con) is accurate?
Which statement about proposing a Constitutional Convention (Con-Con) is accurate?
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What type of amendment can be proposed by the electorate through initiative?
What type of amendment can be proposed by the electorate through initiative?
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What is a key characteristic of horizontal stare decisis in the context of court rulings?
What is a key characteristic of horizontal stare decisis in the context of court rulings?
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Study Notes
Qualitative Test
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Definition: A qualitative test is a type of analysis that focuses on determining the presence or absence of a substance, rather than measuring the quantity.
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Purpose:
- Identify unknown substances.
- Confirm the presence of specific compounds.
- Evaluate the chemical properties of a sample.
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Types of Qualitative Tests:
- Chemical Reactions: Observations of color change, precipitation, or gas production.
- pH Testing: Use of indicators to determine acidity or basicity.
- Microbiological Tests: Identification of microorganisms through culture or biochemical tests.
- Spectroscopic Methods: Techniques like UV-Vis or infrared spectroscopy to identify compounds based on their absorption/emission of light.
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Common Techniques:
- Colorimetric Tests: Measuring the color of a solution to identify compounds.
- TLC (Thin Layer Chromatography): Separating components based on their different affinities for a stationary phase.
- Flame Tests: Observing specific flame colors produced by metal ions.
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Advantages:
- Simple and cost-effective.
- Quick results for initial investigations.
- Minimal sample preparation required.
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Disadvantages:
- Results are usually not quantitative.
- May require further testing for confirmation.
- Potential for false positives/negatives.
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Applications:
- Forensic investigations (drug identification).
- Environmental testing (detecting pollutants).
- Clinical diagnostics (identifying pathogens in samples).
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Interpretation of Results:
- Requires careful observation and comparison with known standards.
- Confirmation may be needed through quantitative analysis or alternative methods.
Qualitative Tests
- Qualitative tests are used to determine the presence or absence of a substance.
- They do not measure the quantity of the substance.
- Qualitative tests are used to identify unknown substances, confirm the presence of specific compounds, and evaluate chemical properties.
- Common types of qualitative tests include chemical reactions, pH testing, microbiological tests, and spectroscopic methods.
Chemical Reactions
- Observing color changes, precipitation, or gas production can be used to identify unknown substances, and confirm the presence of specific compounds.
Spectroscopic Methods
- Spectroscopic methods like UV-Vis or infrared spectroscopy identify compounds based on their absorption/emission of light.
Common Techniques
- Colorimetric Tests: Measure the color of a solution to identify compounds.
- TLC (Thin Layer Chromatography): Separates components based on their different affinities for a stationary phase.
- Flame Tests: Observe specific flame colors produced by metal ions
Advantages of Qualitative Tests
- Simple and cost-effective
- Quick results for initial investigations
- Minimal sample preparation required
Disadvantages of Qualitative Tests
- Results are usually not quantitative
- May require further testing for confirmation
- Potential for false positives/negatives
Interpretations of Results
- Results can be analyzed through careful observation and comparison with known standards.
- Confirmation may be needed through quantitative analysis or alternative methods.
Self-Executing vs. Non-Self-Executing Provisions
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Self-executing: Provisions that are directly applicable without the need for further legislation
- Complete in themselves and become operative without enabling legislation
- Example: Section 17, Article VII of the Philippine Constitution (President's power of control over departments)
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Non-self-executing: Provisions that remain dormant until activated by legislation
- Generally lay down basic principles
- Example: Section 4, Article II of the Philippine Constitution (duty of the state to defend)
Modes for Proposing Amendments or Revisions to the Constitution
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Congress as a Constituent Body:
- 2/3 vote of all members of Congress
- 3/4 vote of each house in joint session
- This is the upper threshold.
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Constitutional Convention:
- Congress can call a Con Con by a 2/3 vote of all its members or submit the question to the electorate by a majority vote
- This is the lower threshold
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People's Initiative:
- 12% of all registered voters from at least 3% of registered voters in each legislative district
- Not allowed within 5 years of February 2, 1987, nor more often than once every 5 years
Ratification of Amendments or Revisions
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Ratification by Plebiscite:
- Majority of votes cast
- Held within 60 to 90 days following approval of the amendment or revision
Limitations on Amendments Through Initiative and Referendum
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Effective Proposal:
- 12% of all registered voters
- 3% of registered voters in each legislative district
- Higher percentage for amendments through initiative and referendum than for passing statutes
Stare Decisis
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Vertical Stare Decisis:
- Lower courts must apply the decisions of higher courts to cases involving the same facts.
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Horizontal Stare Decisis:
- High courts should follow their own precedents.
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State vs. Nation:
- State is a legal concept, while nation is an ethnic or racial concept.
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Government vs. State:
- Government is an instrumentality of the state, implementing the state's will.
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Description
This quiz explores the fundamentals of qualitative tests, emphasizing their significance in identifying the presence of substances. Key techniques such as chemical reactions, pH testing, and spectroscopic methods are discussed. Test your knowledge on how these methods help in confirming compounds and assessing chemical properties.