The Solubility Quiz: Chemistry Trivia!

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  • 1/10 Questions

    As the temperature increases,  the solubility of solids ______________.

    • Increases
    • Decreases
    • Stays the same
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About This Quiz

What do you know about solubility? Would you like to take this quiz? Solubility is the property of a solid, fluid, or gaseous biological material called solute to dissolve in a solid, liquid, or gaseous solvent. The solubility of a material depends on the solute and solvent's physical and chemical properties and temperature, pressure, and occurrence of other chemical properties. Taking this quiz will help you see how much you know about solubility.

The Solubility Quiz: Chemistry Trivia! - Quiz

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  • 2. 

    In a solution the solute  

    • Does the dissolving

    • Is what is dissolved

    • Refers to the temperature

    • Refers to the polarity

    Correct Answer
    A. Is what is dissolved
    Explanation
    The correct answer "is what is dissolved" refers to the solute in a solution. The solute is the substance that is being dissolved in the solution. It is the component that is present in a smaller quantity and gets dispersed or dissolved in the solvent. The solute can be a solid, liquid, or gas, and it is the substance that gives the solution its properties and characteristics.

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  • 3. 
    At what temperature is 40g of KNO3 saturated? - ProProfs

    At what temperature is 40g of KNO3 saturated?

    • 10ºC

    • 25ºC

    • 30ºC

    • 40ºC

    Correct Answer
    A. 25ºC
    Explanation
    At 25ºC, 40g of KNO3 is saturated. This means that at this temperature, the maximum amount of KNO3 that can dissolve in a given amount of solvent (in this case, water) has been reached. If the temperature were to increase or decrease, the solubility of KNO3 would change, resulting in either more or less of the compound being able to dissolve.

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  • 4. 
    which compound is a gas? - ProProfs

    which compound is a gas?

    • KClO3

    • KNO3

    • KCl

    • SO2

    Correct Answer
    A. SO2
    Explanation
    SO2 is a gas because it is a molecular compound composed of sulfur and oxygen atoms. In its gaseous state, SO2 exists as individual molecules that are not bonded to each other. This allows the molecules to move freely and occupy the space of the container, resulting in a gas. In contrast, KClO3, KNO3, and KCl are all ionic compounds that exist as solids at room temperature and require high temperatures to be converted into gases.

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  • 5. 

    Grass stains will NOT come out will water alone. This means that grass stains consist of ___________ molecules.

    • Stubborn

    • Green

    • Polar

    • Non-polar

    Correct Answer
    A. Non-polar
    Explanation
    Grass stains will not come out with water alone because water is a polar molecule and grass stains consist of non-polar molecules. Non-polar molecules do not dissolve easily in water due to the difference in their polarity. Therefore, a non-polar solvent or detergent is needed to effectively remove grass stains.

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  • 6. 
    When 30 grams of potassium nitrate, KNO3, is dissolved in 100 grams of water at 20 ºC, the solution can be correctly described as: - ProProfs

    When 30 grams of potassium nitrate, KNO3, is dissolved in 100 grams of water at 20 ºC, the solution can be correctly described as:

    • Supersaturated

    • Saturated

    • Unsaturated

    Correct Answer
    A. Unsaturated
    Explanation
    An unsaturated solution is a solution in which more solute can be dissolved at a given temperature. In this case, only 30 grams of potassium nitrate is dissolved in 100 grams of water, which means that more potassium nitrate can still be dissolved. Therefore, the solution is unsaturated.

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  • 7. 
    When NaCl is dissolved in water energy is - ProProfs

    When NaCl is dissolved in water energy is

    • Created

    • Destroyed

    • Released

    • Absorbed

    Correct Answer
    A. Absorbed
    Explanation
    When NaCl is dissolved in water, energy is absorbed. This is because the process of dissolving NaCl in water requires energy to break the ionic bonds between the sodium and chloride ions in the solid crystal and to separate the ions from each other. This energy is obtained from the surroundings, in this case, the water. Therefore, the process of dissolving NaCl in water is endothermic and absorbs energy.

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  • 8. 
    At 80 degrees celsius,  when 70g of NH4Cl is added to 100mL of water, how much NH4Cl remains at the bottom of the beaker? - ProProfs

    At 80 degrees celsius,  when 70g of NH4Cl is added to 100mL of water, how much NH4Cl remains at the bottom of the beaker?

    • 0g

    • 4g

    • 14g

    • 24g

    Correct Answer
    A. 4g
    Explanation
    When NH4Cl is added to water, it dissolves to form a solution. However, at 80 degrees Celsius, the solubility of NH4Cl decreases, causing some of it to precipitate and settle at the bottom of the beaker. The question asks how much NH4Cl remains at the bottom, implying that some of it has precipitated. Therefore, the correct answer is 4g, indicating that 4g of NH4Cl remains undissolved and settles at the bottom of the beaker.

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  • 9. 

    As pressure of a gas increases, solubility __________ because __________________.

    • Increases because the molecules are closer together

    • Decreases because the molecules are closer together

    • Decreases because the molecules are farther apart

    • Increases because the molecules are farther apart

    Correct Answer
    A. Increases because the molecules are closer together
    Explanation
    As the pressure of a gas increases, the solubility increases because the molecules are closer together. When the pressure increases, the gas molecules are forced closer to each other, increasing the chances of interaction between the gas molecules and the solvent molecules. This leads to an increase in the solubility of the gas in the solvent.

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  • 10. 

    The flavor coating on gum dissolves in your mouth but the gum does not. When you chew both chocolate and gum together they mix/dissolve with each other. This is because 

    • Gum is polar and chocolate is polar

    • Gum is polar and chocolate is non-polar

    • Gum is non-polar and chocolate is polar

    • Gum is non-polar and chocolate is non-polar

    Correct Answer
    A. Gum is non-polar and chocolate is non-polar
    Explanation
    The flavor coating on gum dissolves in your mouth but the gum itself does not because gum is non-polar and chocolate is non-polar. Non-polar substances do not mix well with polar substances, so the gum and the chocolate do not dissolve or mix with each other when chewed together.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 02, 2012
    Quiz Created by
    Lmmurp2
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