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Test Bank for Organic Chemistry 3rd Edition by KleinChemical reactions occur as a result of __________ A. the attraction between opposite charges. B. the nucleus–nucleus interactions. C. the motion of electrons. D. like atoms interacting. E. combining two chemicals.Chemical reactions occur as a result of __________ A. the attraction between opposite charges. B. the nucleus–nucleus interactions. C. the motion of electrons. D. like atoms interacting. E. combining two chemicalsWhat is the diffe...

This applies to questions requiring a set number of responses, but for which students have provided extra responses. The general principle to be followed in such a situation is that ‘right + wrong = wrong’. Each error / contradiction negates each correct response. So, if the number of error / contradictions equals or exceeds the number of marks available for the question, no marks can be awarded. However, responses considered to be neutral (indicated as * in example 1) are not penalise...

GCSE CHEMISTRY 8462/2H Paper 2 Higher Tier Mark scheme June 2019-2022

GCSE CHEMISTRY 8462/2H Paper 2 Higher Tier Mark scheme June 2019-2022

CHEMISTRY PAPER 2 HIGHER TIER MARK SCHEME.VERIFIED QUESTIONS AND ANSWERS.