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Small pieces of sodium and potassium metal are crushed together in a test tube under an inert liquid until the alloy – a liquid at room temperature – is observed to form. There are several possible al.. more
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Extracted and refreshed from section 12 of the Handbook, includes information on magnets used in science and how to look after them, field line demonstrations, and some history of magnetism
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Brief risk assessment guidance and experimental notes for a range of activities involving lead metal and some lead compounds (including oxides, carbonate, sulfide).
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Risk assessment information for bismuth, bismuth(III) chloride, bismuth(III) chloride oxide and bismuth(III) nitrate(V). Includes information about bismuth nitrate solutions.
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Using mercury metal, mercury oxides, chlorides, nitrates(V) and others, safely in practical work.
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Brief risk assessment guidance and experimental notes for a range of practical activities involving nitric(V) acid (Hazcard 67).
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The additional negative ions test tube reactions for nitrate(III), nitrate(V), sulfate(IV), phosphate and carboxylates (methanoate and ethanoate).
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Brief risk assessment guidance and experimental notes for a range of activities involving aluminium metal (Hazcard 1).
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Qualitative analysis is included in most science and chemistry courses across the 11-19 age range. This guide gives a summary/overview of the currently available CLEAPSS resources that provide detaile.. more
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Risk assessment guidance for gallium metal.
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