Physical Pharmaceutics 1 MCQ Quiz With Answers

Reviewed by Stephanie Baumhover
Stephanie Baumhover, PharmD |
Medical Education Director
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Stephanie Baumhover is a Medical Education Director, with a comprehensive background in Critical Care, Oncology, Pediatrics, and Managed Care. She holds a PharmD from Creighton University and completed her PGY1 Residency in Critical Care and Transplant at the University of Virginia. Currently, she excels in her role at Medscape.
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  • 1/10 Questions

    Solubility of gases increases with decrease in  

    • Mass
    • Volume
    • Temperature
    • Pressure
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About This Quiz

Have you studied physical pharmaceutics? Do you have a good understanding of this topic? Here's an interesting 'Physical pharmaceutics 1 MCQ quiz' with answers. Physical pharmacy is the study of the effects that dosage forms have on their environment by addressing issues at the molecular level. The quiz is given below consists of some well-researched questions that are designed to See moretest your knowledge about physical pharmaceutics. Take it and see how well you perform in this test.

Physical Pharmaceutics 1 MCQ Quiz With Answers - Quiz

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  • 2. 

    Solubility depends upon  

    • Temperature

    • Solute

    • Solvent

    • All of them

    Correct Answer
    A. All of them
    Explanation
    Solubility refers to the ability of a solute to dissolve in a solvent to form a homogeneous mixture. The solubility of a substance is influenced by various factors, including temperature, the nature of the solute, and the nature of the solvent. Temperature affects solubility because as temperature increases, the kinetic energy of the molecules increases, leading to more collisions and a higher likelihood of solute-solvent interactions. The nature of the solute and solvent also plays a role, as substances with similar polarities or molecular structures are more likely to dissolve in each other. Therefore, all three factors - temperature, solute, and solvent - collectively determine the solubility of a substance.

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  • 3. 

    Maximum amount of a solute which can dissolve in 100g of a solvent at room temperature is called

    • Solubility

    • Solution

    • Capacity

    • Eligibility

    Correct Answer
    A. Solubility
    Explanation
    Solubility refers to the maximum amount of solute that can be dissolved in a given amount of solvent at a specific temperature. It is a characteristic property of a solvent and is often expressed in grams of solute per 100 grams of solvent. Solubility is affected by factors such as temperature and pressure. Therefore, solubility is the correct answer as it accurately describes the maximum amount of solute that can dissolve in 100g of a solvent at room temperature.

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  • 4. 

    Solution which can hold no more of a solute is called

    • Dilute solution

    • Saturated solution

    • Aqueous solution

    • Concentrated solution

    Correct Answer
    A. Saturated solution
    Explanation
    A saturated solution is a solution that cannot hold any more solute at a given temperature and pressure. In other words, it is a solution in which the maximum amount of solute has been dissolved. If more solute is added to a saturated solution, it will not dissolve and will remain as solid particles at the bottom of the container.

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  • 5. 

    When a large amount of solute dissolves in a given amount of solvent it forms

    • Dilute solution

    • Saturated solution

    • Aqueous solution

    • Concentrated solution

    Correct Answer
    A. Concentrated solution
    Explanation
    A concentrated solution is formed when a large amount of solute is dissolved in a given amount of solvent. In this type of solution, the ratio of solute to solvent is high, resulting in a high concentration of solute particles. This means that the solution has a high density of solute molecules or ions, making it highly concentrated.

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  • 6. 

    Aqueous solution includes

    • Salt solution

    • sugar solution

    • Mineral water

    • All of them

    Correct Answer
    A. All of them
    Explanation
    The correct answer is "all of them". Aqueous solution refers to a solution where the solvent is water. In this case, all the given options - salt solution, sugar solution, and mineral water - are examples of aqueous solutions. Salt and sugar can dissolve in water to form solutions, and mineral water is water that contains dissolved minerals. Therefore, all of them can be classified as aqueous solutions.

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  • 7. 

    In an unsaturated solution, concentration of each ion of sparingly soluble salt at 298k tells us the

    • Solubility product

    • Solubility reactant

    • Dynamic equilibrium

    • Solubility equilibrium

    Correct Answer
    A. Solubility product
    Explanation
    In an unsaturated solution, the concentration of each ion of a sparingly soluble salt at 298K tells us the solubility product. The solubility product is a measure of the extent to which a salt can dissolve in a solvent. It is determined by the equilibrium between the dissolved ions and the undissolved salt. The concentration of each ion in the solution is directly related to the solubility product, as it indicates the amount of the salt that has dissolved. Therefore, by measuring the concentration of each ion, we can determine the solubility product of the salt.

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  • 8. 

    A saturated solution of lead (II) contains 0.99g per 100 g of water, therefore it is regarded as

    • Iso-soluble solution

    • Unsaturated solution

    • Insoluble

    • Soluble

    Correct Answer
    A. Insoluble
    Explanation
    The given information states that a saturated solution of lead (II) contains 0.99g per 100g of water. This means that the maximum amount of lead (II) that can dissolve in the water has already dissolved, resulting in a saturated solution. Therefore, the solution is not able to dissolve any more lead (II) and is considered insoluble.

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  • 9. 

    Number of grams of compound needed to saturate 100g of water is defined for

    • Solubility

    • Volatility

    • Polarity

    • All of them

    Correct Answer
    A. Solubility
    Explanation
    The correct answer is solubility. Solubility refers to the ability of a substance to dissolve in a solvent, in this case, water. The number of grams of a compound needed to saturate 100g of water is a measure of its solubility in water. Solubility is influenced by factors such as temperature, pressure, and the nature of the compound itself.

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  • 10. 

    Which of the following statements about the characteristics of solutions is accurate?

    • The solute is the component of the solution that is present in the greatest quantity.

    • Solutions can be solids, liquids, or gases.

    • Only one phase is visible in a heterogeneous mixture.

    • A dilute solution contains a relatively large quantity of solute per unit volume of solvent

    Correct Answer
    A. Solutions can be solids, liquids, or gases.
    Explanation
    Solutions can indeed be solids, liquids, or gases. A solution is a homogeneous mixture composed of a solute (the substance being dissolved) and a solvent (the substance doing the dissolving). The solute can be a solid, liquid, or gas that is evenly distributed within the solvent. For example, sugar (solid) can dissolve in water (liquid) to form a solution, while carbon dioxide (gas) can dissolve in water to form another type of solution. Therefore, the statement that solutions can be solids, liquids, or gases is accurate.

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Stephanie Baumhover |PharmD |
Medical Education Director
Stephanie Baumhover is a Medical Education Director, with a comprehensive background in Critical Care, Oncology, Pediatrics, and Managed Care. She holds a PharmD from Creighton University and completed her PGY1 Residency in Critical Care and Transplant at the University of Virginia. Currently, she excels in her role at Medscape.

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  • Current Version
  • Mar 21, 2024
    Quiz Edited by
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    Expert Reviewed by
    Stephanie Baumhover
  • Nov 04, 2017
    Quiz Created by
    Dilnawaz

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