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This activity dramatically shows the effect of a catalyst, cobalt(II) ions, on a reaction. Other characteristic properties of transition metals (eg, coloured ions, different oxidation state) can be ob.. more
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The metal ions cobalt(II), copper(II), iron(II) and iron(III) can be tested for with simple test tube reactions. These tests are more specific than precipitation reactions with sodium hydroxide soluti.. more
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The positive ions aluminium (Al3+), potassium (K+), lead(II) (Pb2+) and ammonia (NH4+) can be tested for with simple test tube reactions. These tests are more specific than precipitation reactions wit.. more
words matched: metals, transition

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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).
words matched: metals, transition

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Testing for positive ions - transition metals ions
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Testing for positive ions - non transition metal ions
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A microscale activity which demonstrates a number of chemical reaction with ammonia. Because this is microscale, quantities of chemicals used are tiny,  making disposal and clearing up very easy.
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Technicians really DO matter, chemicals in the wrong container, microbiology update, transition ideas (not being a TV presenter), new labels for gloves, IDA record keeping, fume cupboard testing, Nort.. more
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*Please note due to the fact that schools are currently closed we are not posting out a copy of this Bulletin. We will review this when schools re-open.In this edition of the Bulletin :-- Editorial- M.. more
words matched: metals, transition

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Testing for positive ions: reactions with hydroxides and ammonia. This microscale practical is carried out on a worksheet that is laminated or placed in a plastic wallet. The method minimises the use .. more
words matched: metals, transition

Showing results 1 to 10 of 355
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