Hello fellow readers,
Aim: To look at the pH Scale and neutralize acid and alkaline substances using Universal
Equipment:
Universal indicator.
1 M HCI ( Hydrochloric Acid )
1 M NaOH ( Sodium Hydroxide )
4 test tubes
Test tube rack
1 plastic pipette.
Method: Take a test tube rack with 1 boiling tube at each end of the rack and 4 test tubes.
Half Fill the boiling tube at one end with Sodium Hydroxide.
Half fill the boiling tube at the other end with Hydrochloric acid.
Fill each test tube with 5 drops of Universal indicator.
Using the pipette you will add drops of the acid or alkaline to the test tubes to make the colors Red, Orange, Yellow, Green, and Violet.
DO NOT MIX UP THE PIPETTES.
Challenge:
Out of the 6 test tubes, you should have the order of Red, Orange, Yellow, Green, Blue, Violet.
No comments:
Post a Comment
Please structure your comments as follows:
Positive - Something done well.
Thoughtful - A sentence to let us know you actually read/watched or listened to what they had to say.
Helpful - Give some ideas for next time or Ask a question you want to know more about.