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Risk assessment information for hydrogen sulfide gas and solutions of hydrogen sulfide.
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Guidance for the preparation of hydrogen gas.
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Handling hydrogen gas safely in practical work.
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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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Microscale reduction of copper(II) oxide with hydrogen gas
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Guidance on the preparation of oxygen gas (for filling gas jars etc). 
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This is a quick and simple procedure to produce and test these three common gases. The whole activity can be completed in a single lesson and offers pupils the chance to experience the well-known test.. more
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Instructions for construction and use of a syringe pump for filling gas baloons and other applications.
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Brief risk assessment guidance and experimental notes for a range of practical activities involving hydrogen peroxide solutions (Hazcard 50).
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Risk assessment information for ammonium sulfide, potassium sulfide and sodium sulfide salts and solutions.
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