Sunday, 9 July 2017

2.50: Describe a Physical Test to Show Whether a Sample of Water is Pure



PHYSICAL TEST FOR WATER USING ANHYDROUS COPPER (II) SULFATE:

TEST FOR WATER
Diagram showing the Process to Measure the Boiling Point of Water
METHOD:

  • METHOD 1: Boil liquid and measure boiling point
  • METHOD 2: Freeze liquid and measure freezing point (same as melting point)

RESULT:

  • Boiling point of Water is 100°C
  • Freezing point (melting point) of Water is 0°C

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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...