Why & How HCl is Used for Cleaning Materials

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    cleaning Hcl
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Discussion Overview

The discussion revolves around the use of hydrochloric acid (HCl) for cleaning materials, specifically addressing its effectiveness in removing impurities and its impact on substances like graphite rods. The scope includes both theoretical and practical aspects of chemical cleaning processes.

Discussion Character

  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant questions the rationale behind using HCl for cleaning, seeking clarification on how it aids in impurity removal and whether it affects the graphite rod.
  • Another participant challenges the classification of the inquiry as a homework problem and prompts the original poster to share their research findings.
  • Some participants propose that HCl may be effective in removing metallic impurities through a chemical reaction, suggesting a general equation involving metals and HCl.
  • A later reply mentions the use of HCl and water in cleaning tiles, indicating a broader application of the acid in cleaning contexts.

Areas of Agreement / Disagreement

The discussion contains multiple viewpoints regarding the effectiveness and implications of using HCl for cleaning. There is no consensus on the specifics of how HCl interacts with materials or the extent of its effects.

Contextual Notes

Participants have not fully explored the underlying chemical mechanisms or provided detailed evidence for their claims. The discussion lacks clarity on the assumptions regarding the types of impurities and the specific materials involved.

ARN
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Homework Statement:: why HCL is always used for cleaning materials. I have cleaned graphite rod with HCl. How will it help ? How does HCL do the cleaning?
Relevant Equations:: Nothing

some says that it helps to remove the impurities, but how ? will it effect the graphite rod?

[Moderator's note: Moved to a technical forum as it is of a general nature.]
 
Last edited by a moderator:
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How is this a homework problem? What research have you done so far? What have you found out?
 
Could it be that you are trying to remove metallic impurities?

metal (s) + HCl(aq) ——> metal+n(aq) + nCl-(aq) +1/2n H2(g)
 
HCL + Water is Used in Cleaning in Tiles!
 

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