When you have finally used up all of the Cu2+ ions, the solution will look a dirty red brown from the copper oxide suspended in the sugar, base, and leftover reagents. You might want to look at the MadSci archives, particularly this question, and this one, where the color sequence of the reaction is described.
The average sea surface temperature in September 2017 for Ngorongoro was 75.5Â°F. The maximum and minimum values were 73.2Â°F and 78.2Â°F respectively. Sunny, Cloudy and Gloomy days
Tswalu has an annual rainfall of approximately 250mm. The summer rain occurs from November to April, with March being the wettest month. Dry months are from June to September, with August being the driest month.Maximum temperature for the summer averages at 35ÂºC (January) and maximum temperature during winter 21ÂºC (July).Absolute minimum temperature for these months are 16ÂºC and minus 5ÂºC respectively.For up to date weather information, click here. Be sure to search under the Upington region for Tswalu weather. The Kalahari region is regarded as the finest area in Africa for stargazing and Tswalu has a high-powered telescope with which to explore the night sky. 2  Sishen Golf Club, one hour from Tswalu and rated in the top 20 best courses in South Africa. 3  Archaeology sites can be visited on request.