CLEAPSS Supporting practical science and technology
CLEAPSS Resources
Latest Resources
Search For:
Showing results 1 to 10 of 293
1 234

Members only resource Click to download Document.
Instructions, including risk assessed control measures, for safely demonstrating the explosive burning of a 1:2 methane/oxygen mixture.
words matched: mixtures

Members only resource Click to download Document.
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

Members only resource Click to download Document.
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

Members only resource Click to download Document.
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

Members only resource Click to download Document.
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

Members only resource Click to download Document.
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

Members only resource Click to download Document.
Brief risk assessment guidance and experimental notes for a range of practical activities involving nitric(V) acid (Hazcard 67).
words matched: mixtures

Members only resource Click to download Document.
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

Members only resource Click to download Document.
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

Members only resource Click to download Document.
This demonstration shows an important procedure in chemistry and industry, to separate a pure substance from a mixture of substances with widely differing boiling points. One important industrial exam.. more
words matched: mixtures

Showing results 1 to 10 of 293
1 234