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Mixed Trivia Quiz: Brands, Animals, Chemistry & Music
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'gypsum' actually is -
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A
calcium sulfate
💡 Explanation:
Gypsum is calcium sulfate dihydrate (CaSO4·2H2O), a soft sulfate mineral used extensively in construction materials like drywall and plaster. When heated, it loses water to become plaster of Paris. It's distinct from calcium carbonate (limestone) which doesn't contain sulfate.