Sunday, 9 July 2017

2.45: Describe How to Carry Out a Flame Test



FLAME TEST: Method to identify Metal Cations by the colour of flame they produce
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FLAME TEST
Diagram showing the Flame Test of Metal Cations
METHOD:

  • Platinum or Nichrome wire is cleaned by dipping it into Hydrochloric acid
  • End of wire is dipped into fresh Hydrochloric acid and then into solid sample
  • End of the wire with solid sample attached is placed into a non-roaring, non-luminous bunsen flame
  • Colour of flame is observed and recorded

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1.2: Understand the Interconversions between the Three States of Matter in Terms of: The Names of the Interconversions, How they are Achieved, the Changes in Arrangement, Movement and Energy of the Particles

INTERCONVERSIONS BETWEEN STATES OF MATTER: Diagram showing the interconversions between the states of matter EXPLANATION: CHANGE EXPLANATION...