Chemistry, asked by samprit801701, 2 months ago

why zinc was applied in the corners of the test tube
please explain

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Answered by yeshwathparihar798

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Zinc is more reactive than hydrogen and it displaces hydrogen from dilute acids. Zinc reacts with dilute sulphuric acid to form zinc sulphate and hydrogen gas is evolved. This is a single displacement reaction of a non-metal by a metal. ... So, this reaction is a chemical change.

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