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The chlorites are the group of phyllosilicate mine...

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The western desert of Egypt was a major source of ...

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An alum (/ˈæləm/) is a type of chemical compound, ...

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Electrodes are an essential part of any battery. T...

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Urea, also called carbamide (because it is a diami...

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Urea, also called carbamide (because it is a diami...

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Cysteine (symbol Cys or C;[5] /ˈsɪstɪiːn/)[6] is a...

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In common usage, salt is a mineral composed primar...

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