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WHO/SDE/WSH/03.04/01 English only Ammonia in Drinking-water Background document for development of WHO Guidelines for Drinking-water Quality Originally published in Guidelines for drinking-water
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In this experiment an insoluble metal oxide is reacted with a dilute acid to form a soluble salt. Copper(II) oxide, a black solid, and colourless dilute sulfuric acid react to produce copper(II)
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