Experiment with Hydrochloric Acid and Sodium Carbonate

Hydrochloric Acid with Universal Indicator

• A test tube contains hydrochloric acid (HCl) with a universal indicator.
• The solution appears red due to the acidity of the HCl.

Addition of Sodium Carbonate

• 20 drops of sodium carbonate (Na₂CO₃) solution are added to the top of the test tube.
• The experiment aims to observe and record color changes.

Observations

• The primary focus is to observe and document any color changes that occur after adding sodium carbonate.