Group VII Elements and Reactions MCQs Quiz Online PDF Download
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GCE chemistry practice test MCQ on sample of hbr decomposes at 430°c. with options 20%, 10%, 22% and 11% problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning group vii elements and reactions quiz with MCQs to practice test questions with answers.
MCQs on Group VII Elements and Reactions Quiz PDF Download
MCQ. The sample of HBr decomposes at 430°C.
MCQ. Down the group, the hydrogen halides could be
- more stable
- less thermally stable
- more reactive
- less reactive
MCQ. Halogens dissolve well in
MCQ. Oxidation of hydrogen halides becomes easier going
- across the periods (left to right)
- down the groups
- up the groups
- across the period (right to left)
MCQ. Halogens react with hydrogen gas to form
- hydrogen halides
- hydrochloric acid
- all of them