PART - 1 CH - 2 Acids, Bases and Salts — Science STD 10 — Question
Gujarat BoardEnglish MediumSTD 10SciencePART - 1 CH - 2 Acids, Bases and Salts2 Marks
Question
Write a short note on plaster of paris (POP).
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Answer
Preparation : When gypsum is heated at 373 K temperature, it loses water molecules and forms plaster of paris. $\underset{\substack{\text { Gypsum }}}{2\left[ CaSO _4 \cdot 2 H _2 O \right]( s )} \xrightarrow{373 K}$$2\left( CaSO _4\right) \cdot H _2 O ( s )+3 H _2 O ( g )$
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