page 10 20. The volume of hydrogen gas given off against time when an excess of zinc lumps is added to 100 cm3 of 1 mol l-1 hydrochloric acid is shown. time (seconds) volume of hydrogen (litres) Which of the following graphs would show the volume of hydrogen gas given off when an excess of zinc powder was added to 50 cm3 of 1 mol l-1 hydrochloric acid? time (seconds) time (seconds) time (seconds) time (seconds) volume of hydrogen (litres) volume of hydrogen (litres) volume of hydrogen (litres) volume of hydrogen (litres) A B C D

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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
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