28. State five differences between Acids and Bases. What change in colour is observed by
using following Indicators on Acids & bases:
a) litmus Paper b) Turmeric c) China Rose
Phenolphthalein e) Methyl Orange
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Explanation:
Acid - substances which change blue Litmus Paper to Red is known as acidic substances
IT is corrosive in nature
It is sour in taste
For example curd lemon
Base - substances which turn red litmus paper to Blue is known as basic substances
It is slippery to touch
It is bitter in taste
For example Soap , Lime water
Litmus Paper will turn acidic substances to Red and basic substances to blue
Turmeric will have no change on acidic substances while it convert basic substances to red
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