1. How are natural indicators prepared? Give examples of a flower, root, stem and leaf that
can be used as an indicator. What are the colour changes observed with red cabbage
juice in acidic, neutral and basic medium?
Answers
Explanation:
Natural Indicator is a type of indicator that can be found naturally and can determine whether the substance is an acidic substance or a basic substance. Some examples of natural indicators are red cabbage, turmeric, grape juice, turnip skin, curry powder, cherries, beetroots, onion, tomato, etc.
Cabbage Juice Color pH
red 2
purple 4
violet 6
blue 8
blue-green 10
greenish-yellow 12
Answer:
Natural Indicator is a type of indicator that can be found naturally and can determine whether the substance is an acidic substance or a basic substance. Some examples of natural indicators are red cabbage, turmeric, grape juice, turnip skin, curry powder, cherries, beetroots, onion, tomato, etc.
Cabbage Juice Color pH
red 2
purple 4
violet 6
blue 8
blue-green 10
greenish-yellow 12
Explanation: