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Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of hydrogen gas to test.
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Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of carbon dioxide gas to collect and test.
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In this term's issue: From the Director.. CLEAPSS is on the MOVEGetting in touch with CLEAPSSCOVID-19 Update - Returning to practical workafter COVIDBiological samplingNew practical procedures for ion..
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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..
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During this challenge-based activity visiting children learn to follow a written method and pipette dropwise without contaminating samples.
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This document explains how to carry out a circus of qualitative food tests for:carbohydratesstarch – iodine testreducing sugars - Benedict’s testnon-reducing sugars – hydrolysis then Benedict’s test p..
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The flame test is a useful analytical technique for identifying unknown substances. This nichrome wire method avoids the use of concentrated hydrochloric acid.
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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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Safety precautions for practical food testing activities for carbohydrates, lipids and proteins.
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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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