Size of this preview: 482 × 599 pixels. Other resolutions: 193 × 240 pixels | 386 × 480 pixels | 740 × 920 pixels.
Original file (740 × 920 pixels, file size: 142 KB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Potassium reacting violently with water. Hydrogen is formed that ignites with a lilac flame; the flame color owing to burning potassium vapor. Strongly alkaline potassium hydroxide is formed in solution, turning phenolphthalein indicator solution violet red. 中文：钾和水剧烈反应，放出氢气并自燃，带有紫色火焰，火焰的颜色来自钾蒸气。反应生成强碱性的氢氧化钾，可以让酚酞指示剂变红。 |
| Date | |
| Source | Own work |
| Author | Ozone aurora / Philip Evans |
| Permission (Reusing this file) |
Creative Commons Attribution 3.0 |
Licensing
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:59, 5 April 2010 | | 740 × 920 (142 KB) | Ozone aurora | {{Information |Description={{en|1=Potassium reacting violently with water. Hydrogen is formed that ignites with a lilac flame; the flame color owing to burning potassium vapor. Strongly alkaline potassium hydroxide is formed in solution, turning phenolpht |
File usage
No pages on the English Wikipedia use this file (pages on other projects are not listed).
Global file usage
The following other wikis use this file:
