Fluids and Diffusion in Liquids
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Questions and Answers

Which statement best describes the characteristics of solids?

  • Solids have the ability to diffuse into each other easily.
  • Solids have a definite shape, distinct boundaries, and fixed volumes. (correct)
  • Solids do not maintain their shape when subjected to outside force.
  • Solids can be compressed significantly under force.

    • Why are solids considered rigid?

  • Because they tend to maintain their shape when subjected to outside force. (correct)
  • Because they have a high compressibility factor.
  • Because they have distinct boundaries.
  • Because they can easily change their shape.

    • What differentiates a rubber band from typical solids?

  • A rubber band behaves like a liquid and flows easily.
  • A rubber band cannot change its shape under any circumstances.
  • A rubber band changes shape under force and regains the same shape later. (correct)
  • A rubber band is highly compressible.

    • Why do sugar and salt take the shape of the jar they are kept in?

    <p>Because they are solids and adapt to the container's shape. (C)</p> Signup and view all the answers

    What is a characteristic of liquids according to the text?

    <p>Liquids have negligible compressibility. (B)</p> Signup and view all the answers

    Why do liquids flow easily from one container to another?

    <p>Because liquids do not have a definite shape. (B)</p> Signup and view all the answers

    What is a characteristic property of liquids based on the text?

    <p>Fixed volume (D)</p> Signup and view all the answers

    Which state of matter has particles that move freely with greater space between them compared to solids?

    <p>Liquid (B)</p> Signup and view all the answers

    Why is the rate of diffusion of liquids higher than that of solids?

    <p>Particles in liquids move freely (D)</p> Signup and view all the answers

    Why are oxygen and carbon dioxide essential for aquatic animals and plants?

    <p>For survival through respiration (A)</p> Signup and view all the answers

    How do aquatic animals breathe under water?

    <p>Through gills (B)</p> Signup and view all the answers

    What is the main reason that gases from the atmosphere can dissolve in water?

    <p>For survival of aquatic life (C)</p> Signup and view all the answers

    What is the term used to describe the intermixing of particles of two different types of matter on their own?

    <p>Diffusion (B)</p> Signup and view all the answers

    How does the kinetic energy of particles change with an increase in temperature?

    <p>Increases (A)</p> Signup and view all the answers

    What is observed just above the solid crystal when copper sulphate or potassium permanganate crystals are dropped into water?

    <p>Tiny bubbles rising from the crystals (C)</p> Signup and view all the answers

    What does the statement 'Particles of matter are continuously moving' suggest about particles?

    <p>Particles possess kinetic energy (D)</p> Signup and view all the answers

    What happens to diffusion when the temperature increases?

    <p>Diffusion speeds up (B)</p> Signup and view all the answers

    What can be concluded about the rate of mixing between liquids and solids?

    <p>Solids mix faster than liquids (C)</p> Signup and view all the answers

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