ppt c2 2.5
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C2 2.5 Exothermic and Endothermic reactions
Using Exam pro items to support successful outcomes
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• Learners will be able to test their progress against learning outcomes using questions from past AQA GCSE examinations
• C2 2.5
Foundation Tier June 12, 3
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Copyright © AQA and its licensors. All rights reserved.
• C2 2.5
Version 2.0
Copyright © AQA and its licensors. All rights reserved.
• C2 2.5
Version 2.0
Copyright © AQA and its licensors. All rights reserved.
• C2 2.5
Version 2.0
Copyright © AQA and its licensors. All rights reserved.
• C2 2.5
Mark scheme- Foundation
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Copyright © AQA and its licensors. All rights reserved.
Q Answer Extra Information Mark (a) 22 1
(b)(i) exothermic 1
(b)(ii) CGives out most heat energy Accept has largest temperature change/increase
Allow has highest (final) temperature or hottest
11
(c)(i) increases 1
(c)(ii) blue Ignore pale/dark etc 1
(c)(iii) Reversible (reaction) Allows goes both ways or two/ either way 1
(c)(iv) Anhydrous copper sulfate 1
Total 8
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