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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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Common anions are tested on a plastic covered worksheet, for quick easy disposal. Using solutions with minimum concentrations allows closer observations and initiates talking points. Students can phot..
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words matched: ions, negative
Guidance on how to prepare reagents used to test for the presence of anions. This Recipe only includes those reagents that are not covered by other Recipe Sheets.
words matched: ions, negative
The common negative ions, carbonate (CO32-),
sulfate(VI) (SO42-) and the halides (Cl–, Br–
and I–) can be simply tested for in test tube reactions. The method
described here uses a more dilute ammo..
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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..
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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..
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Testing for negative ions - carboxylate ions
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Testing for negative ions - halide ions
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Testing for negative ions - phosphate(V) ions
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Testing for negative ions - carbonate ions
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Showing results 1 to 10 of 186
