1. Acids: 1. Its taste is sour. 2. When added to litmus solution, it turns red. 3. Examples: Curd, lemon juice and vinegar. Bases: 1. Its taste is bitter. 2. When added to litmus solution, it turns blue. 3. Examples: Baking soda, Soap and lime water.

    Acids:
    1. Its taste is sour.
    2. When added to litmus solution, it turns red.
    3. Examples: Curd, lemon juice and vinegar.
    Bases:
    1. Its taste is bitter.
    2. When added to litmus solution, it turns blue.
    3. Examples: Baking soda, Soap and lime water.

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