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Provide the reason: Preferential use of...

Provide the reason: Preferential use of Zinc in granulated form to prepare hydrogen in lab.

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**Step-by-Step Solution:** 1. **Understanding the Context**: The question asks why granulated zinc is preferentially used to prepare hydrogen in the laboratory. 2. **Identifying the Form of Zinc**: Granulated zinc is a form of zinc that consists of small particles or granules. This form is important for increasing the surface area available for reaction. 3. **Role of Impurities**: Granulated zinc often contains small amounts of copper as an impurity. ...
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