Mixtures And Solutions Post-test Henderson

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Mixtures And Solutions Post-test Henderson - Quiz

Mixtures and solutions pre-test


Questions and Answers
  • 1. 

    The process of a material becoming incorporated uniformly into another or mixing together evenly.

    • A.

      Catalyst

    • B.

      Dissolving

    • C.

      Element

    • D.

      Solution

    Correct Answer
    B. Dissolving
    Explanation
    Dissolving refers to the process of a material becoming incorporated uniformly into another or mixing together evenly. In this process, the solute particles break apart and disperse evenly throughout the solvent, resulting in a homogeneous mixture called a solution. This can occur when a solid solute is added to a liquid solvent, such as sugar dissolving in water. The solute particles separate and mix with the solvent particles, creating a solution where the solute is evenly distributed.

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  • 2. 

    To turn into gas, like water into water vapor

    • A.

      Ferment

    • B.

      Molecule

    • C.

      Evaporate

    • D.

      Product

    Correct Answer
    C. Evaporate
    Explanation
    Evaporation is the process by which a substance, such as water, changes from a liquid state to a gaseous state. This transformation occurs when the molecules of the substance gain enough energy to overcome the forces holding them together in the liquid phase. Therefore, the given answer "evaporate" is the most appropriate choice as it accurately describes the process of turning a substance into a gas, similar to how water turns into water vapor when it evaporates.

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  • 3. 

    A gradual chemical change that takes place without oxygen, caused by organisms such as bacteria or yeast.

    • A.

      Fermenting

    • B.

      Saturate

    • C.

      Mixture

    • D.

      Element

    Correct Answer
    A. Fermenting
    Explanation
    Fermenting refers to a gradual chemical change that occurs without the presence of oxygen, and is caused by organisms like bacteria or yeast. This process typically involves the breakdown of sugars into alcohol or acids, resulting in the production of carbon dioxide.

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  • 4. 

    The chemical processes that take place in a living cell or organism.

    • A.

      Chemical

    • B.

      Reactant

    • C.

      Solution

    • D.

      Metabolism

    Correct Answer
    D. Metabolism
    Explanation
    Metabolism refers to the chemical processes that occur within a living cell or organism. It involves the conversion of reactants into products, such as the breakdown of food molecules to release energy or the synthesis of new molecules for growth and repair. Metabolism is essential for maintaining life as it provides energy and necessary molecules for various cellular functions.

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  • 5. 

    A substance containing two or more materials with different properties.

    • A.

      Mixture

    • B.

      Alloy

    • C.

      Crystal

    • D.

      Concentration

    Correct Answer
    A. Mixture
    Explanation
    A mixture is a substance that contains two or more materials with different properties. In a mixture, the different materials are not chemically combined, but rather they are physically mixed together. This means that each material retains its own properties and can be separated from the mixture. Examples of mixtures include saltwater, air, and sand.

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  • 6. 

    An arrangement of the elements that provides information about their properties.

    • A.

      Product

    • B.

      Precipitate

    • C.

      Citric

    • D.

      Periodic table

    Correct Answer
    D. Periodic table
    Explanation
    The periodic table is an arrangement of elements that provides information about their properties. It organizes the elements based on their atomic number, electron configuration, and recurring chemical properties. Each element is represented by a symbol and is placed in a specific location on the table. The periodic table allows scientists to easily identify and compare the properties of different elements, such as their atomic mass, atomic radius, and reactivity. It is a fundamental tool in chemistry and is used to understand the relationships between elements and predict their behavior.

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  • 7. 

    A solid material that forms during a chemical reaction.

    • A.

      Ferment

    • B.

      Precipitate

    • C.

      Solute

    • D.

      Alloy

    Correct Answer
    B. Precipitate
    Explanation
    A precipitate is a solid material that forms during a chemical reaction. It is formed when two or more substances react and combine to create a solid product that separates from the solution. Precipitates are usually formed when an insoluble compound is produced in a solution. This process is commonly observed in chemistry experiments and can be used to separate and identify different substances.

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  • 8. 

    A characteristic of an object that can be observed, such as size, color, shape, or texture.

    • A.

      Synthetic

    • B.

      Evaporate

    • C.

      Property

    • D.

      Mixture

    Correct Answer
    C. Property
    Explanation
    A property is a characteristic of an object that can be observed, such as its size, color, shape, or texture. It is a feature or attribute that helps to describe or identify the object. In this context, the other options - synthetic, evaporate, and mixture - do not fit the definition of a characteristic that can be observed. Therefore, the correct answer is property.

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  • 9. 

    A solution in which as much solute as possible has been dissolved.

    • A.

      Atom

    • B.

      Ingot

    • C.

      Dissolve

    • D.

      Saturated solution

    Correct Answer
    D. Saturated solution
    Explanation
    A saturated solution refers to a solution in which the maximum amount of solute has been dissolved. In other words, the solution has reached its saturation point, where no more solute can be dissolved at a given temperature and pressure. This occurs when the rate of dissolution equals the rate of crystallization.

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  • 10. 

    Capable of being dissolved.

    • A.

      Mixture

    • B.

      Soluble

    • C.

      Compound

    • D.

      Solution

    Correct Answer
    B. Soluble
    Explanation
    Soluble means capable of being dissolved in a solvent. In the context of the given options, it is the most appropriate term that describes a substance's ability to dissolve in a liquid. Mixture refers to a combination of substances, compound refers to a substance composed of two or more elements, and solution refers to a homogeneous mixture of two or more substances. However, only soluble directly relates to the ability of a substance to dissolve, making it the correct answer.

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  • 11. 

    A special mixture formed when one or more materials dissolves in another.

    • A.

      Solution

    • B.

      Molecule

    • C.

      Atom

    • D.

      Vulcanize

    Correct Answer
    A. Solution
    Explanation
    A solution is a special mixture formed when one or more materials dissolve in another. In a solution, the dissolved substances become evenly distributed throughout the solvent, resulting in a homogeneous mixture. This process occurs at the molecular level, where the molecules of the solute disperse and mix with the molecules of the solvent. Solutions can be formed with various combinations of substances, such as solids dissolving in liquids, gases dissolving in liquids, or even liquids dissolving in other liquids. The resulting solution retains the properties of the solvent, but may also exhibit some unique properties due to the presence of the solute.

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  • 12. 

    The process of treating rubber chemically in order to give it useful properties such as strength and temperature stability.

    • A.

      Dissolve

    • B.

      Solution

    • C.

      Compound

    • D.

      Vulcanization

    Correct Answer
    D. Vulcanization
    Explanation
    Vulcanization is the correct answer because it refers to the process of treating rubber chemically to enhance its properties, such as strength and temperature stability. During vulcanization, rubber is heated with sulfur or other additives, which causes cross-linking of polymer chains, resulting in improved elasticity, durability, and resistance to heat, chemicals, and aging. This process is widely used in the production of various rubber products, such as tires, hoses, and seals.

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  • 13. 

    The smallest particle of an element.

    • A.

      Chemistry

    • B.

      Solvent

    • C.

      Crystal

    • D.

      Atom

    Correct Answer
    D. Atom
    Explanation
    An atom is the smallest particle of an element. It is the basic unit of matter and cannot be broken down further without losing its chemical properties. Atoms combine to form molecules and compounds, making them essential building blocks in chemistry. Solvent and crystal are not the correct answers as they do not represent the smallest particle of an element.

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  • 14. 

    The attachment between two atoms in a molecule.

    • A.

      Chemical bond

    • B.

      Reaction

    • C.

      Ferment

    • D.

      Alloy

    Correct Answer
    A. Chemical bond
    Explanation
    A chemical bond refers to the attachment between two atoms in a molecule. It is formed when atoms share, donate, or accept electrons to achieve a stable electron configuration. This bond holds the atoms together and determines the properties and behavior of the molecule. Chemical bonds can be covalent, where electrons are shared between atoms, or ionic, where electrons are transferred from one atom to another. They play a crucial role in the formation of compounds and the interactions between different substances in chemical reactions.

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  • 15. 

    A person trained in chemistry.

    • A.

      Concentration

    • B.

      Evaporate

    • C.

      Chemist

    • D.

      Solute

    Correct Answer
    C. Chemist
    Explanation
    A chemist is the correct answer because a chemist is a person who is trained in chemistry. Chemistry involves studying the properties, composition, and behavior of substances, as well as their interactions and reactions. A chemist would have knowledge and expertise in various areas of chemistry, such as analyzing chemical compounds, conducting experiments, and understanding chemical reactions. Therefore, a person trained in chemistry is commonly referred to as a chemist.

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  • 16. 

    A substance made of two or more elements that are chemically combined.

    • A.

      Change

    • B.

      Bond

    • C.

      Compound

    • D.

      Acid

    Correct Answer
    C. Compound
    Explanation
    A compound is a substance made of two or more elements that are chemically combined. In a compound, the elements are bonded together in specific ratios, forming a new substance with different properties than the individual elements. Compounds can be formed through various chemical reactions, such as when atoms share electrons or transfer electrons to achieve a stable configuration. This results in the formation of a stable compound with unique physical and chemical properties.

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  • 17. 

    The relative amount of a substance in a mixture.

    • A.

      Volume

    • B.

      Concentration

    • C.

      Product

    • D.

      Ingot

    Correct Answer
    B. Concentration
    Explanation
    Concentration refers to the relative amount of a substance in a mixture. It is a measure of how much solute is dissolved in a solvent. It is often expressed as a ratio or percentage. In the context of the given question, volume, product, and ingot do not accurately describe the relative amount of a substance in a mixture, whereas concentration does.

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  • 18. 

    The ratio of the mass of a material in proportion to its volume.

    • A.

      Element

    • B.

      Mixture

    • C.

      Compound

    • D.

      Density

    Correct Answer
    D. Density
    Explanation
    Density is the correct answer because it is defined as the ratio of the mass of a material to its volume. It is a physical property that helps determine the compactness or heaviness of a substance. The density of a material remains constant regardless of the size or shape of the sample, making it a useful characteristic for identification and comparison purposes.

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  • 19. 

    To make a solution less concentrated, usually by adding more liquid.

    • A.

      Density

    • B.

      Precipitate

    • C.

      Vulcanization

    • D.

      Dilute

    Correct Answer
    D. Dilute
    Explanation
    Dilute means to make a solution less concentrated by adding more liquid. This process helps to reduce the strength or intensity of a substance by increasing the amount of solvent. It is commonly used in various fields such as chemistry, medicine, and cooking. By diluting a solution, the concentration of the solute decreases, resulting in a less concentrated solution.

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  • 20. 

    The solid form of a material that can be identified by its natural shape or pattern.

    • A.

      Crystal

    • B.

      Base

    • C.

      Acid

    • D.

      Alloy

    Correct Answer
    A. Crystal
    Explanation
    A crystal is the solid form of a material that has a distinct and recognizable natural shape or pattern. Crystals are formed when atoms or molecules arrange themselves in a repeating pattern, creating a three-dimensional structure. This arrangement gives crystals their unique geometric shapes and internal symmetry. Crystals can be found in nature, such as quartz or diamond, or they can be artificially grown in laboratories. They have various applications in technology, jewelry, and scientific research due to their unique properties and structures.

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