science

Neutralisation Experiment.

Equipment:

• Universal Indicator

• 1 M HCl ( Hydrochloric Acid)

• 1 M NaOH (Sodium Hydroxide)

• 4 Test tubes

• Test tube rack

• 2 plastic pipette

  Method:

  
  

  1. Take a test tube rack with 1 boiling tube at each end of the rack and 4 test tubes.

  2. Half Fill the boiling tube at one end with Sodium Hydroxide.

  3. Half fill the boiling tube at the other end with Hydrochloric acid.

  4. Fill each test tube with 5 drops of Universal indicator.

  5. Using the pipettes you will add drops of the acid or alkaline to the test tubes to make colours of Red, Orange, Yellow, Green, Blue, Violet.

  6. DO NOT MIX UP THE PIPETTES