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SRA019 - Exploding methane and oxygen
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Instructions, including risk assessed control measures, for safely demonstrating the explosive burning of a 1:2 methane/oxygen mixture.
words matched: mixtures
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SRA031 - The hydrogen rocket
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A mixture of hydrogen and air is prepared in a small plastic ‘fizzy drinks’ bottle and then ignited, so that the bottle travels, rocket-like, some distance.
words matched: mixtures
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SRA026 - Thermite reaction in flower pots
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The thermite reaction is conducted on a relatively large scale in a pair of small flower pots. The white hot molten iron pours though holes in the base onto a thick layer of sand in a metal tray or si.. more
words matched: mixtures
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SRA027 – Dynamite soap
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The explosion between hydrogen and oxygen, in the confines of a modern school laboratory, is extremely loud.A mixture of hydrogen and oxygen is placed inside a syringe. The mixture is bubbled into soa.. more
words matched: mixtures
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PP082 – The reaction between iron and sulfur: demonstration
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When the iron/sulfur mixture is heated, the sulfur melts and reacts with the iron exothermically to form iron(II) sulfide. This is an important demonstration that shows that the properties of a compou.. more
words matched: mixtures
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PX067 - Nitric(V) acid
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Brief risk assessment guidance and experimental notes for a range of practical activities involving nitric(V) acid (Hazcard 67).
words matched: mixtures
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PP079 - The reaction between iron and sulfur - Students’ version
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The reaction between iron and sulfur, to produce iron sulfide, is cited in many textbooks and other resources as a good demonstration of the difference between mixtures and compounds. A key distinguis.. more
words matched: mixtures
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PP041 - The thiosulfate-acid reaction: rate and concentration
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Small scale 'disappearing cross' methods for investigating the effect of concentration on the rate of the sodium thiosulfate - acid reaction. Includes use of an alkaline 'stop-bath' to neutralise used.. more
words matched: mixtures
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PP008 – Preparing and Firing Microscale Hydrogen Oxygen Rockets
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The reaction between hydrogen and oxygen produces lots of energy, and is over in less than a 0.01 s. It can be used to fire rockets. In this activity, students can make gas mixtures and fire rockets. .. more
words matched: mixtures
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PP049 - Paper chromatography; the separation of pH indicators
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It is becoming increasingly difficult to determine the composition of food dyes in an unknown mixture, because formulations have been altered over time, and, as a consequence, the results never match .. more
words matched: mixtures
Showing results 1 to 10 of 301
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