Matter: Pure Substances vs. Mixtures Quiz

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Questions and Answers

What type of mixture is blood?

  • Pure substance
  • Homogenous mixture
  • Element
  • Heterogeneous mixture (correct)

According to John Dalton's Atomic Theory, what is the nature of atoms?

  • Divisible
  • Part of compounds
  • Indivisible (correct)
  • Homogeneous

Which separation method is most suitable for separating a solution of a soluble solid and a solvent?

  • Decantation
  • Evaporation (correct)
  • Filtration
  • Sieving

What is the term for two chemical substances that can mix well together?

<p>Miscible (C)</p> Signup and view all the answers

Which of the following defines a pure substance?

<p>Not contaminated by other substances (A)</p> Signup and view all the answers

What is the primary principle behind the separation of a solid and liquid through crystallization?

<p>Mass transfer of a solute from the liquid solution to a pure solid crystalline phase (B)</p> Signup and view all the answers

Which separation technique is used to separate the formation of ice from sea water?

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

Which separation technique is based on the principle of different rates of absorption to a stationary phase?

<p>Chromatography (C)</p> Signup and view all the answers

What is the primary principle behind the separation of crude oil into its components?

<p>Differences in boiling points (A)</p> Signup and view all the answers

Which separation technique is used for analytical testing of water contaminants?

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

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