Asl fayl(SVG fayl, asl oʻlchamlari 976 × 937 piksel, fayl hajmi: 42 KB)

Ushbu fayl Vikiomborga yuklangan boʻlib, boshqa loyihalarda ham qoʻllanilishi mumkin. Uning tavsif sahifasidan olingan maʼlumot quyida keltirilgan.

Qisqa izoh

Taʼrif
English: Simple setup for demonstration of electrolysis of water at home.

You will need:

  • A glass of water
  • Two pencils sharpened at both ends
  • Either 9 volt battery or 9-12 V DC adapter.
  • Some bits of wire
  • Tape to fix things together
  • A teaspoon-full of table salt

After you connect everything, bubbles will form at the tips of pencils immediately.

Oxygen gas bubbles (O2) will form at + electrode named anode.

Hydrogen gas bubbles H2 will form at - electrode named cathode. The amount will be twice the amount of O2.

Pure water is an insulator and the electrolysis may proceed too slowly. Some will say Sulfuric acid or NaSo4 is better, but those are not readily available outside labs. Sulfuric acid is also dangerous to handle. Table salt will suffice for the purpose of this demonstration. Using NaCl as an electrolyte results in some impurity in the form of chlorine gas at anode but that should not be important for the purpose of this demo.

Some things to vary:

  • Try stripping the pencil lead (graphite) from the wood to increase the area of contact with water.
  • Try the to see what happens if you vary water temperature.
Sanasi
Manba Oʻzimning ishim
Muallif Nevit Dilmen (talk)
Ruxsat
(Bu faylning takror foydalanilishi)
I, the copyright holder of this work, hereby publish it under the following licenses:
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Attributsiya: © Nevit Dilmen
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GNU head Ushbu hujjatdan nusxa ko‘chirish, tarqatish va/yoki o‘zgartirish uchun GNU Erkin guvohnoma litsenziyasi (GNU Free Documentation License), 1.2 va har qanday keyingi versiyalar shartlariga muvofiq ruxsat berilgan yoki Ochiq kodli dasturlar jamiyati (Free Software Foundation) tomonidan chop etilgan; oʻzgarmas boʻlimlarsiz, oldingi muqova matnlari va orqa muqova matnlarisiz. Litsenziya nusxasi GNU Erkin guvohnoma litsenziyasi (GNU Free Documentation License) boʻlimiga kiritilgan.
Siz oʻzingiz xohlagan litsenziyani tanlashingiz mumkin.
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19:48, 20-Iyul 201019:48, 20-Iyul 2010 dagi versiya uchun tasvir872 × 819 (32 KB)Nevit{{Information |Description=Basic setup for demonstration of electrolysis of water at home. |Source={{own}} |Date=2010 07 |Author=Nevit |Permission= |other_versions= }} Category:Electrolysis Category:Nevit Dilmen SVG

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