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Give reasons : Apparatus for laboratory ...

Give reasons : Apparatus for laboratory preparation of Hydrogen should be air-tight and away from a naked flame.

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**Step-by-Step Text Solution:** 1. **Understanding the Nature of Hydrogen:** Hydrogen is a highly reactive gas that can easily combine with oxygen present in the air. 2. **Reason for Airtight Apparatus:** - Hydrogen should be prepared in an airtight apparatus because it can react with oxygen in the air. - If the apparatus is not airtight, oxygen can enter and react with hydrogen, leading to the formation of water (H2O). This reaction would consume the hydrogen gas we are trying to collect. ...
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