Surface Tension And Water As A Solvent Quiz

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    Identify the property of water that allows a water strider insect to walk on the water. - ProProfs

    Identify the property of water that allows a water strider insect to walk on the water.

    • Surface Tension
    • Polarity
    • Capillary Action
    • Specific Heat
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About This Quiz

This quiz assesses understanding of water's chemical properties, focusing on surface tension and solvency. It covers basic concepts like elements, solutions, and adhesion, emphasizing why water is termed the universal solvent and how its surface tension supports certain life forms.

Surface Tension And Water As A Solvent Quiz - Quiz

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  • 2. 

    What is an atom?

    • The smallest part of an element that is a basic unit of matter

    • The unit measure of an element

    • Neutrons in the nucleus

    • Elements that make up molecules

    Correct Answer
    A. The smallest part of an element that is a basic unit of matter
    Explanation
    An atom is the smallest part of an element that is considered the basic unit of matter. It is composed of a nucleus, which contains protons and neutrons, and is surrounded by electrons. Atoms combine to form molecules and are the building blocks of all matter in the universe.

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  • 3. 

    Water is a universal solvent because:

    • Water is polar and can dissolve more substances than any other liquid

    • Solutes are not polar molecules

    • Water is made up hydrogen and oxygen atoms

    • Water has a neutral pH

    Correct Answer
    A. Water is polar and can dissolve more substances than any other liquid
    Explanation
    Water is a universal solvent because it is polar. The oxygen atom in water has a slight negative charge, while the hydrogen atoms have a slight positive charge. This polarity allows water molecules to attract and surround solute particles, breaking them apart and dissolving them. This property of water enables it to dissolve a wide variety of substances, making it a universal solvent.

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  • 4. 

    What is adhesion?

    • Waters ability to stick to other materials

    • Waters ability to stick to itself

    • Covalent bonds in water

    • Capillary Action

    Correct Answer
    A. Waters ability to stick to other materials
    Explanation
    Adhesion refers to water's ability to stick to other materials. This property allows water molecules to adhere to the surfaces of different substances, such as glass or plant tissues. It is due to the attractive forces between the water molecules and the molecules of the material it is in contact with. Adhesion plays a key role in various natural phenomena, including capillary action, where water can climb up narrow tubes against gravity, and the formation of droplets on surfaces.

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  • 5. 

    A substance that dissolves another substance is called a ____________?

    • Solvent

    • Solution

    • Dissolution

    • Solute

    Correct Answer
    A. Solvent
    Explanation
    A substance that dissolves another substance is called a solvent. Solvents are capable of dissolving other substances, known as solutes, to form a solution. In a solution, the solute is evenly distributed and dispersed throughout the solvent. Solvents play a crucial role in various processes, such as cleaning, chemical reactions, and pharmaceutical formulations. They have the ability to dissolve a wide range of substances, including solids, liquids, and gases.

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  • 6. 

    What forms when one substance dissolves another?

    • Solution

    • Solvent

    • Dissolution

    • Solute

    Correct Answer
    A. Solution
    Explanation
    When one substance dissolves another, it forms a solution. A solution is a homogeneous mixture where the solute (the substance being dissolved) is evenly distributed and dispersed in the solvent (the substance doing the dissolving). Therefore, the correct answer is "Solution."

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  • 7. 

    Choose the term that best completes the statement: The term ____________ is applied to any substance that cannot be made simpler without changing its chemical make-up.

    • Element

    • Atom

    • Molecule

    • Substance

    Correct Answer
    A. Element
    Explanation
    An element is the term that best completes the statement. An element is a substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom and cannot be further simplified without changing its chemical composition.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 20, 2014
    Quiz Created by
    Rhaveno
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