1. Why is Plaster of Paris stored in a moisture proof container?
2. What do you mean by neutralization reaction? Give two examples.
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1. Plaster of Paris should be stored in a moisture-proof container because the Plaster of Paris, a powdery mass, absorbs water (moisture) from the environment to form a hard solid substance known as Gypsum.
2. A neutralization reaction is when an acid and a base react to form water and salt and involves the combination of hydrogen ions and hydroxyl ions to generate water. The neutralization of a strong acid and strong base has a pH equal to 7. Example – 1: When Sodium hydroxide is added to hydrochloric acid.
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