Experiment: Red Cabbage indicator.
Equipment:
Equipment:
Red Cabbage
Knife
Bunsen Burner
Beaker
Water
Method:
Method:
Cut the cabbage into small pieces.
Place the cabbage in the beaker and fill it with 50 ml of water.
Once the cabbage has boiled for 2 minutes turn it off and leave it to cool down.
Once it has cooled remove the cabbage leaves and use the red water as an indicator.
Complete the quiz below:
The ph scale ranges from what numbers? 0-14
Name 4 substances that are acidic? Water, Stomach Acid, Lemon and Vinegar
Name 4 substances that are basic? Bleach, Drain Cleaner, Soap and Ammonia
Name another pH indicator used in a science lab? Litmus Paper
By using red cabbage as an indicator we can determine what the pH level is of substances.
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