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Flame Tests and Characteristics of Non-Luminous and Luminous Flames Quiz
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Flame Tests and Characteristics of Non-Luminous and Luminous Flames Quiz

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@StatuesqueUnderstanding6767

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Questions and Answers

What color does barium impart in the non-luminous flame during a flame test?

  • Blue
  • Bright Green
  • Pale/Yellow Green (correct)
  • Orange Red
  • What should be done before conducting a flame test for the solution of Cu2+?

  • Heat the solution in the reducing zone of the flame
  • Keep the air hole open
  • Sterilize the platinum loop in water
  • Add a drop of concentrated hydrochloric acid (correct)
  • What is the purpose of heating the platinum loop to redness in the non-luminous Bunsen flame?

  • To sterilize the loop (correct)
  • To impart color to the flame
  • To create a reducing atmosphere
  • To test for boron
  • What color does calcium impart in the non-luminous flame during a flame test?

    <p>Orange Red</p> Signup and view all the answers

    What happens when the air hole is closed and very little air is allowed to mix with the gas in a Bunsen burner?

    <p>Carbon particles are deposited on the apparatus</p> Signup and view all the answers

    What color does boron impart in the non-luminous flame during a flame test?

    <p>Bright Green</p> Signup and view all the answers

    What should be done before conducting a flame test for the solution of Cu2+?

    <p>Add a drop of concentrated hydrochloric acid</p> Signup and view all the answers

    What is the purpose of heating the platinum loop to redness in the non-luminous Bunsen flame?

    <p>To sterilize the loop</p> Signup and view all the answers

    What happens when the air hole is closed and very little air is allowed to mix with the gas in a Bunsen burner?

    <p>Carbon particles are deposited on the apparatus</p> Signup and view all the answers

    What color does arsenic impart in the non-luminous flame during a flame test?

    <p>Blue</p> Signup and view all the answers

    What color does boron impart in the non-luminous flame during a flame test?

    <p>Bright Green</p> Signup and view all the answers

    What color does copper (I) impart in the non-luminous flame during a flame test?

    <p>Blue</p> Signup and view all the answers

    What is the purpose of heating the platinum loop to redness in the non-luminous Bunsen flame before conducting a flame test?

    <p>Sterilization</p> Signup and view all the answers

    What happens when the air hole is closed and very little air is allowed to mix with the gas in a Bunsen burner?

    <p>Orange appears flickering and unsteady</p> Signup and view all the answers

    What should be done before conducting a flame test for the solution of Cu2+?

    <p>Add a drop of concentrated hydrochloric acid</p> Signup and view all the answers

    Study Notes

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    Description

    Test your knowledge of flame tests and the characteristics of non-luminous and luminous flames with this quiz. Identify the colors produced by different compounds in the non-luminous flame and understand the differences between non-luminous and luminous flames through practical scenarios.

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