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The activity described can be used as a class practical with KS4 students or as a demonstration with KS3. The energy changes involved can be comparedwith the concentration of the copper(II) sulfate(VI..
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Soap making is an ancient process, going back at least 4000 years. It is an example of saponification of an ester group, which is sometimes included in GCSE, A-level and BTEC courses. The conventional..
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Brief risk assessment guidance and experimental notes for a range of activities involving (oxidising) ammonium salts (Hazcard 8).
words matched: heat, solution
The traditional procedure to make soap is hazardous because it requires heating quite concentrated sodium hydroxide solution, typically about 5 M (CORROSIVE) with the oil or fat.This guide covers two ..
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In this activity, a primary alcohol (ethanol) is oxidised to a carboxylic acid (ethanoic acid) using an acidified dichromate(VI) solution. Important techniques are involved including heating under ref..
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Guidance on how to prepare (and use) a number of standard solutions required for some titration activities. Solutions described include: sodium carbonate (for standardising strong acid solutions), pot..
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Guidance on how to prepare sulfur dioxide solutions. Two methods are described along with a note on how to make an 'acid rain' solution.
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Using ammonia, gas or liquid, safely in practical work. Includes ammonia solution (ammonium hydroxide solution).
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Guidance on how to prepare starch ‘solution’.
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Guidance on how to prepare chromium(III) solutions.
words matched: heat, solution
Showing results 1 to 10 of 830
