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An alum (/ˈæləm/) is a type of chemical compound, usually a hydrated double sulfate salt o...

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The western desert of Egypt was a major source of alum substitutes in antiquity. These eva...

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In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used...

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A microscope (from Ancient Greek μικρός (mikrós) 'small' and σκοπέω (skopéō) 'to look (at)...

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Glucose is a sugar with the molecular formula C6H12O6. Glucose is overall the most abundan...

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Urea, also called carbamide (because it is a diamide of carbonic acid), is an organic comp...

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Urea, also called carbamide (because it is a diamide of carbonic acid), is an organic comp...

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Zinc is a chemical element with the symbol Zn and atomic number 30. It is a slightly britt...

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Electrodes are an essential part of any battery. The first electrochemical battery was dev...

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