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Identifying Ions

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  1. Question 1 of 7
    1 point(s)

    Salts X and Y are separately dissolved in water. Samples of the solutions obtained are separately tested with dilute hydrochloric acid and with aqueous sodium hydroxide.
    In two of the tests, a gaseous product is formed. No precipitate is formed in any of the tests. What are salts X and Y ?

    XY A AgNO3BaSO4 B BaSO4Na2CO3 C Na2CO3NH4Cl D NH4ClAgNO3

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  1. Question 1 of 8
    1 point(s)
    1. Some barium iodide is dissolved in water.
    2. Dilute sulfuric acid is added to the solution until no more precipitate forms. The precipitate, X, is filtered off.
    3. Aqueous lead(II) nitrate is added to the filtrate and another precipitate, Y, forms.

    What are the colours of precipitates X and Y?

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