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Chemistry: how to obtain hydrogen at room temperature

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An easy way to obtain hydrogen at room temperature. Bits of zinc were put on the bottom of a bottle; an 1:8 sulphuric acid solution was poured through the primary neck thus binding the water oxygen as zinc oxide, and the resulting hydrogen was collected through the secondary neck and trapped in a water-filled cylinder closed on top and immersed in water. And the air initially contained in the bottle? Well, better not to mince matters…

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