Write the names of all the indicators(including olfactory) with its picture and write its effect on acids and bases. Do it as shown below
Name of indicator along with the picture:
Effect on acid
Effect on base
Answers
Explanation:
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Science > Acids, Bases and Salts > Natural Indicators Around Us
Acids, Bases and Salts
Natural Indicators Around Us
We know about Acids and Bases . But how do we determine whether a substance is acidic or basic? We have Natural Indicators around us. You probably have a natural indicator in your home right now. Let us find out more about the natural indicators around us.
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What are Natural Indicators?
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.
Some flowers like hydrangeas can determine the acidity or basicity of the soil. These flowers become blue if the soil is acidic, purple if the soil is neutral and pink if the soil is basic. The intensity of the color depends on the amount of acid or base present in the soil. Soil which is highly acidic bears deep blue flowers, whereas soil which is highly basic yields deep pink flowers.