Answer :

When working with capillary tubes in a laboratory setting, being gentle is crucial for several reasons:

  1. Fragility of the Glass: Capillary tubes are typically made from glass, which is very fragile. Tapping them too hard on a workbench can easily cause them to break or crack. A broken tube can result in loss of your sample or even create a safety hazard.

  2. Precision Measurements: Capillary tubes are often used for precise measurements, such as in microchemistry or when working with small quantities of a substance. Abrupt motions might disturb the liquid or alter your measurement accuracy.

  3. Safety Concerns: Broken glass poses a risk of cuts or injury. Being gentle minimizes the risk of the tube shattering and reduces the potential for harm.

  4. Functionality: Some experiments require the contents of the capillary tube to settle for accurate results. Tapping too hard might cause the liquid inside to splash or create air bubbles, which could complicate the readings or observations.

By tapping the capillary tube gently, you ensure the integrity of your experiment, maintain safety protocols, and preserve the delicate apparatus used in your laboratory work. Always handle glass equipment with care to prevent accidents and ensure accurate results.

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