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Question 1 of 3
1. Question
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?