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acid or base?

Another simple experiments, derived from small fascicles of ERPI
"My little Labs.

How to determine if liquid is acidic, neutral or basic?

Here Lab Gabriel conducted to discover the acidity of certain liquids.

To conduct this experiment you will need:

1. Pour into each glass liquids mentioned above; bicarbonate solution, water, soda and white vinegar (for solution, see below). Choose 2 other liquids (white or colorless) of your choice.

2.Identify glasses.

3. Using the dropper, add a few drops of the cabbage solution into each glass containing liquids.

4. It only remains to compare (the scale is on file) and note the results in the table. I redid the chart and the scale of book you will find them here → click


Revenue Solutions:
For the cabbage solution, I just boiled some water and added strips of red cabbage in the boiling water.

Dissolve 3 ml of baking soda in a little water to the bicarbonate solution.

Why red cabbage?
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