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Identifying Gases

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  1. Question 1 of 3
    1 point(s)

    The results of some experiments with sulfur dioxide are shown.

     experiment  description  result 1 mix with dilute hydrochloric acid  does not react 2 mix with concentrated sodium hydroxide  a salt forms 3 add Universal Indicator  Universal Indicator  turns purple 4 add acidified aqueous  potassium manganate(VII)  purple solution  turns colourless  experiment  description  result 1 mix with dilute hydrochloric acid  does not react 2 mix with concentrated sodium hydroxide  a salt forms 3 add Universal Indicator  Universal Indicator  turns purple 4 add acidified aqueous  potassium manganate(VII)  purple solution  turns colourless 

    Which results are correct?

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