Quiz Questions Over The Properties Of Water

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Quiz Questions Over The Properties Of Water - Quiz

This quiz checks students basic knowledge of the properties of water.


Questions and Answers
  • 1. 

    Which atom/s of the water molecule has a slightly positive charge?

    • A.

      Oxygen

    • B.

      Helium

    • C.

      Hydrogen

    • D.

      Lithium

    • E.

      Ozone

    Correct Answer
    C. Hydrogen
    Explanation
    In a water molecule, oxygen attracts the shared electrons more strongly than hydrogen due to its higher electronegativity. This causes the oxygen atom to have a slightly negative charge, while the hydrogen atoms have a slightly positive charge. Therefore, the correct answer is hydrogen.

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  • 2. 

    Which atom/s of a water molecule has a slightly negative charge?

    • A.

      Oxygen

    • B.

      Helium

    • C.

      Hydrogen

    • D.

      Lithium

    • E.

      Ozone

    Correct Answer
    A. Oxygen
    Explanation
    The oxygen atom in a water molecule has a slightly negative charge. This is because oxygen is more electronegative than hydrogen, meaning it has a greater ability to attract electrons. As a result, the shared electrons in the covalent bonds between oxygen and hydrogen are pulled closer to the oxygen atom, giving it a partial negative charge. The hydrogen atoms, on the other hand, have a partial positive charge. This polarity of the water molecule allows it to form hydrogen bonds and gives water its unique properties.

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  • 3. 

    A molecule that has electrically charged areas is called a ____________________ ?

    • A.

      Solution

    • B.

      Solvent

    • C.

      Specific Heat

    • D.

      Polar Molecule

    • E.

      Charged Particle

    Correct Answer
    D. Polar Molecule
    Explanation
    A molecule that has electrically charged areas is called a polar molecule. This is because polar molecules have a slight positive charge on one end and a slight negative charge on the other end, creating an electrical polarity. This polarity is due to the unequal distribution of electrons within the molecule, causing one end to be more electron-dense and the other end to be less electron-dense. This charge separation gives rise to various properties and behaviors of polar molecules, such as their ability to dissolve in other polar substances and their interactions with electric fields.

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  • 4. 

    The opposite poles of water molecules are attracted to each other and causes water molecules to "stick" together.  This force is _________________ ?

    • A.

      Potential

    • B.

      Radiation

    • C.

      Nuclear

    • D.

      Magnetic

    • E.

      Electrical

    Correct Answer
    E. Electrical
    Explanation
    The force that causes water molecules to "stick" together is electrical. The opposite poles of water molecules, which are the positive and negative charges, attract each other and create this electrical force. This force is responsible for the cohesion and surface tension of water.

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  • 5. 

    Which property of water that causes it to rise in a tube?

    • A.

      Surface tension

    • B.

      High specific heat

    • C.

      Universal solvent

    • D.

      Capillary action

    • E.

      Changing state

    Correct Answer
    D. Capillary action
    Explanation
    Capillary action is the property of water that causes it to rise in a tube. This phenomenon occurs due to the cohesive forces between water molecules and the adhesive forces between water molecules and the walls of the tube. These forces allow water to climb against gravity in narrow spaces, such as the tiny tubes in plants or the spaces between fibers in a paper towel. This is why water can be drawn up through a narrow tube, like in a capillary tube or a straw.

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  • 6. 

    Which property of water allows the insect called a water stryder to skate across the surface of a pond?

    • A.

      Surface tension

    • B.

      High specific heat

    • C.

      Universal solvent

    • D.

      Capillary action

    • E.

      Changing state

    Correct Answer
    A. Surface tension
    Explanation
    Surface tension is the property of water that allows the insect called a water strider to skate across the surface of a pond. Surface tension is the result of the cohesive forces between water molecules, causing them to form a "skin" or "film" on the surface. This strong surface tension allows the water strider to distribute its weight and effectively walk on water without sinking.

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  • 7. 

    When one substance dissolves in another it is a ________________ ?

    • A.

      Solvent

    • B.

      Capillary action

    • C.

      Specific heat

    • D.

      Solution

    • E.

      Surface tension

    Correct Answer
    D. Solution
    Explanation
    When one substance dissolves in another, it forms a solution. A solution is a homogeneous mixture where the solute (substance being dissolved) is evenly dispersed in the solvent (substance doing the dissolving). This process occurs at the molecular level, where the solute particles separate and disperse throughout the solvent particles, resulting in a uniform mixture.

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  • 8. 

    The temperature in Celsius in which water freezes?

    • A.

      212

    • B.

      100

    • C.

      32

    • D.

      0

    • E.

      50

    Correct Answer
    D. 0
    Explanation
    Water freezes at 0 degrees Celsius. This is the temperature at which water transitions from a liquid state to a solid state.

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  • 9. 

    The temperature in Celsius in which water boils?

    • A.

      212

    • B.

      100

    • C.

      32

    • D.

      0

    • E.

      50

    Correct Answer
    B. 100
    Explanation
    Water boils at 100 degrees Celsius. This is the boiling point of water in the Celsius temperature scale.

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  • 10. 

    The process in which liquid water becomes a gas is called evaporation.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Evaporation is the process by which liquid water changes into a gaseous state. During evaporation, heat energy is supplied to the water, causing the water molecules to gain enough energy to break free from the liquid and become water vapor. This process occurs at the surface of the liquid and is influenced by factors such as temperature, humidity, and air movement. Therefore, the statement that the process in which liquid water becomes a gas is called evaporation is true.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 07, 2010
    Quiz Created by
    Tjshelton69
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