Test for Carbon Dioxide (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards

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Test for Carbon Dioxide
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Test used to identify carbon dioxide gas

Lime water test

What is lime water?

Solution of calcium hydroxide

Positive result when CO2CO_2 passes through lime water

Turns cloudy or milky

Cause of cloudiness in lime water test

Formation of calcium carbonate

Solubility of calcium carbonate

Insoluble

Appearance of calcium carbonate in the test

White precipitate

How gas is collected for CO2CO_2 test

Through a delivery tube

Example reaction that produces CO2CO_2

Acids reacting with carbonates

What CO2CO_2 reacts with in lime water

Calcium hydroxide

Product of CO2CO_2 and lime water reaction

Calcium carbonate

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Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

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Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

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Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

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Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

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