Science: Understanding Solutions
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Questions and Answers

What is a solution in science?

  • A type of heterogeneous mixture with visually identifiable components
  • A mixture of two or more gases
  • A type of homogeneous mixture with uniform composition (correct)
  • A mixture of two or more immiscible substances

What does the term 'solvent' refer to in a solution?

  • An insoluble substance in a solution
  • A substance that can be visually identified in a solution
  • The medium into which other substances will be dissolved (correct)
  • The substance that dissolves other substances

Which of the following is an example of a solute in a solution?

  • Ethanol in table salt
  • Water in salt water
  • Water in soda
  • Table salt in salt water (correct)

What distinguishes a solution from a heterogeneous mixture?

<p>Uniform composition and inability to distinguish individual components (D)</p> Signup and view all the answers

Which of the following best describes the composition of sodas?

<p>Multiple ingredients (solutes) dissolved in water (a solvent) (D)</p> Signup and view all the answers

What is the key factor that differentiates a solution from many other types of mixtures?

<p>Homogeneity of the mixture (C)</p> Signup and view all the answers

Which of the following is an example of a liquid-gas solution?

<p>Natural gas (D)</p> Signup and view all the answers

What type of mixture is formed when two substances do not separate into individual layers over time due to gravity?

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

Which of the following is not a type of solid solution?

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

What is the solvent in hand sanitizers?

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

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