Thursday, April 29, 2021

Acids, Bases and Salts | Class 10 | Activity 2.15 with Solution

Activity 2.15  
  • Heat a few crystals of copper sulphate in a dry boiling tube.
  • What is the colour of the copper sulphate after heating?
  • Do you notice water droplets in the boiling tube? Where have these come from?
  • Add 2-3 drops of water on the sample of copper sulphate obtained after heating.
  • What do you observe? Is the blue colour of copper sulphate restored?

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