In many cases the components of a mixture can be separated quite easily, e.g. using a magnet to separate iron filings from a mixture of iron filings (dark grey colour) and sulphur (yellow colour). Note: This is one of a series of simple pages introducing key concepts in introductory che...
In a pinch, you could use a Zippo if you let it burn before bringing it to your cigar. Some say that the odour dissipates after a few seconds. However, there’s no guarantee that it won’t affect your cigar’s flavours. If you can, we would strongly recommend any of the following ...
something like sulphur, which can burn the oxygen present in the firecracker regulators: to ensure the speed and intensity with which a cracker bursts coloring agents: multiple colours appear when a cracker bursts, this role is played by the colouring agents. given below are the elements which ...
In the aftermath of the disaster, the agency recorded more than 40,000 dead fish and aquatic animals in the Sulphur Run creek adjacent to the derailment and burn site. While the agency claims that the creek “has not shown any contaminants at levels that exceed health standards since May 1...
It is a clear, oily liquid, usually green or black in colour. It has a very strange smell and is a mixture of petroleum gas, diesel, paraffin wax, petrol, lubricating oil, etc. It is also termed as “Black Gold” because of its wide range of ...
A device for producing a striking display of light, or a figure or figures in plain or colored fire, by the combustion of materials that burn in some peculiar manner, as gunpowder, sulphur, metallic filings, and various salts; also called a pyrotechnic device. The most common feature of fir...
The sulphur fumes from the volcano? Or just plain fatigue? I’m not sure, but there’s no hope of working. I crater into full-on illness. 10:10pm: I try to sleep, but with the nausea I would rather be dead. Being sick on the road (especially with a schedule like this) is no...
‘Only at clear dawns and sunsets will Fox Tor Mire sound its highest colour song, brim with delicate and transient brightness, shine through all its granite reeves and clitters, and blush over its moss bogs where the sphagna glow ivory white, emerald green and wine purple’. ...
Coal combustion is a dirty process, releasing a range of pollutants includingsulphur dioxide, nitrogen oxides, carbon dioxide, volatile organic compounds, ash and a range of heavymetals. What are the characteristics of bituminous coal? Shenmu bituminous coal has the following properties:good thermal ...
False-colour view imaged in ultraviolet of Venus south pole captured by VMC 12 April 2006 onboard Venus Express. Credits: ESA/MPS, Katlenburg-Lindau, Germany The smaller VMC image shows Venus at a scale of 150 kms per pixel and is also shown in false colour. It was recorded in ultraviole...