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Glass Bottle of Sulphuric Acid.
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Preparation of ethyne, exothermic reaction of water and calciu...
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Black ink separated on blotting paper into basic dyes
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Glass tube of Acetic Acid
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Glass Beaker containing Hydrochloric Acid and Marble Chips
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Glass of beaker containing white bubbling liquid - Illustratin...
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Soap litmus test
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Water litmus test
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Strips of litmus dipped in household cleaning liquid turning g...
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Brown crystals found in the kettle
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Small plastic tray containing orange coloured liquid disinfect...
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A series of different liquids that are being tested with unive...
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Pile of sugar with carbon on top. Pipette of sulphuric acid.
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Cork with nitric acid giving off nitric dioxide.
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Chalk and vinegar in beaker. Foaming.
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