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The flame test is a useful technique for identifying unknown substances. This simple method uses wooden splints soaked in aqueous salt solutions.
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Granulated sugar (0.25 g) is mixed with 0.25 g potassium chlorate(V) (KClO3) and then ignited from a distance, using a wooden splint attached to a metre rule.
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Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of oxygen gas. Yeast is used as a source of the catalyst for the reaction and is an exa.. more
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Clear and straightforward instructions and explanations for using a Bunsen burner correctly.
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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
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This demonstration is a variation on CLEAPSS Supplementary Risk Assessment SRA002 - Dust explosions using cornflour, custard powder, icing sugar, lycopodium powder, etc. Because the demonstration is n.. more
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This is a quick and simple procedure to produce and test these three common gases. The whole activity can be completed in a single lesson and offers pupils the chance to experience the well-known test.. more
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Using atmospheric pressure to push a boiled egg into a conical flask
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Brief risk assessment guidance and experimental notes for a range of practical activities involving hydrochloric acid, hydrobromic acid, hydriodic acid and Group 1 halide salts (Hazcards 47A, 47B, 47C.. more
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Brief risk assessment guidance and experimental notes for a range of activities involving potassium nitrate(V) and sodium nitrate(V) salts (Hazcard 82).
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