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Question
A white chemical compound becomes hard on mixing with proper quantity of water. It is also used in surgery to maintain joints in a fixed position. Name the chemical compound.
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Solution
Plaster of Paris
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Match the Following:
| 1. | Antiseptic | a. | Plaster of paris |
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| 3. | Ease stress and relaxes | c. | Gypsum |
| 4. | Fertilizers | d. | Epsum |
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Analogy:
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