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Which gas is usually liberated when an acid reacts with a metal ? Illustrate with an example. How will you test for the presence of this gas ? |
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Answer» Solution :Hydrogen GAS When zinc reacts with DILUTE hydrochloric acid, COLOURLES gas with POP up sound in EVOLVED. `2HCL+Zn to ZnCl_2+H_2 uparrow` |
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