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Group 7 (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Group 7' from the broader topic Atomic Structure And The Periodic Table. The test is geared towards the AQA exam board style syllabus.
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What happens to the colour of a solution if aqueous sodium bromide is treated with chlorine water?
Which property explains why iodine sublimes (goes from solid to gas) when heated gently?
Which of the following describes why halogens form negative ions (halide ions)?
Which halide ion produces a yellow precipitate with lead(II) nitrate solution?
Which of these equations shows a halogen displacement reaction?
Why do boiling and melting points of halogens increase down the group?
Which of the following is the correct trend for boiling points going down Group 7?
Which of the following best describes the reactivity of halogens with hydrogen?
A student bubbles chlorine through an aqueous solution containing potassium iodide. Which colour change indicates iodine has been produced?
Which of the following gives the correct order of halogens from most to least reactive?
Which observation would you expect when solid sodium is added to chlorine gas?