Make a list of various natural and synthetic indicators and write colour change shown by them in acidic and basic medium a)Draw pH scale.
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Natural Fruit and Natural Flower Do Not Give Natural Vegetable indicators Indicators Indicators Apple skin (red) Dahlias Daffodils Beets Daylilies Daisies Blueberries Geraniums Dandelions Cabbage (red) Hibiscus Marigolds Cherries Hollyhocks Mums (yellow) Cranberries Hydrangeas Grapes (red or purple) Iris (blue) Onions (red) Morning Glories Peaches Mums (purple) Plums Pansies Radish skin Peonies Rhubarb skin Petunias Strawberries Poppies Tomato leaves Roses (red, pink) Turnip skin Violets– 4 –© 2009 Flinn Scientific, Inc.
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