Keywords:
Indicator, Acid, Base, Red litmus, Blue
litmus, Acidic substance, Basic Substance,
Neutral Substance, Salts, Neutralization,
Acid rain.
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12
Answer:
Indicator: It is a special chemical that changes its colour to indicate whether the chemical substance is acidic basic or neutral.
Neutralization: The reaction in which an acid reacts with a base to form salt and water is called Neutralisation.
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please give this answer
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