Lemon Fizz Tricks

MATERIALS :

• Baking soda
• Lemon juice
• Washing liquid
• Food color
• Spoon
• Glass

PROCEDURE :

• Put a spoon full of baking soda into the glass.
• Add washing liquid and food color.
• Squeeze lemon juice into the mixture.
• Stir well, the bubbles will form that will start to push up and out of the glass.

WHY ?
        Sodium bicarbonate of the baking soda react with lemon juice ( citric acid ) to form carbondioxide gas.
So the bubbles comes out.