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10 grade science

Distilled water is a good conductor of electricity.

A. True

B. False

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1 Year agoGrade
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1 Answer

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ApprovedApproved Tutor Answer1 Year ago

To determine whether distilled water is a good conductor of electricity, the answer is B. False. While it may seem counterintuitive, distilled water is actually a poor conductor of electricity. Let's delve into why that is the case.

The Basics of Conductivity

Electrical conductivity refers to the ability of a substance to allow the flow of electric current. This property largely depends on the presence of charged particles, such as ions, in the substance. In general, the more ions present, the better the conductivity.

What is Distilled Water?

Distilled water is created through the process of distillation, which involves boiling water to produce steam and then cooling that steam back into liquid form. This process removes impurities, including minerals and salts that are typically found in regular tap water. As a result, distilled water is very pure and contains very few dissolved ions.

Why Distilled Water is a Poor Conductor

  • Absence of Ions: Since distilled water lacks significant amounts of dissolved salts and minerals, it has a low concentration of ions. Without these charged particles, there are fewer pathways for electric current to flow.
  • Comparison with Tap Water: In contrast, tap water contains various dissolved minerals, such as calcium and magnesium, which contribute to its conductivity. This is why tap water can conduct electricity better than distilled water.

Real-World Implications

Understanding the conductivity of distilled water is important in various applications. For instance, in laboratory settings, distilled water is often used to ensure that experiments are not influenced by impurities that could affect electrical measurements. However, it's crucial to remember that while distilled water is a poor conductor, it can still conduct electricity to some extent if a sufficient voltage is applied.

Practical Example

Imagine you have two glasses of water: one filled with distilled water and the other with tap water. If you were to connect a simple circuit with a battery and a light bulb, the bulb would likely light up when placed in the tap water but would remain off in the distilled water. This illustrates the difference in conductivity due to the presence of ions.

Final Thoughts

In summary, distilled water is not a good conductor of electricity due to its lack of dissolved ions. This characteristic makes it useful in specific scientific applications, but it also means that it cannot effectively carry an electric current like other types of water can. Understanding these properties helps us appreciate the nuances of water chemistry and its practical implications.