Web9 Genetic diversity and adaptation Exam-style mark scheme AQA Biology © Oxford University Press 2015 www.oxfordsecondary.co.uk/acknowledgements Webmasterm17. Hi there, my teach has given me some OCR Oxford sciences exam style questions, but id like the check the answers, does anybody have a markscheme for all these chemistry exam style questions? thanks. Call me old and jaded if you like, but whenever I hear requests like this I just hear people asking for the answers so that they can get ...
Ocr chemistry a exam-style questions - The Student Room
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Webanswer 311 kJ mol 1 1 c iv Bond enthalpy of Cl—F bond in ClF is different from that in ClF 3 1 Allow Cl—F bond (enthalpy) is different in different compounds 1 d NaCl is ionic/not covalent 1 2 a (g) MgCl 2 (s) →Mg 2 2Cl (g) 1 2 b The magnesium ion is smaller/has a smaller radius/greater charge density WebOxford Revise Science Answers. Visit the OUP website for answers to all the questions in the Oxford Revise science revision guides: Go to the Science Answers. WebElectric field. A region in which an electric charge will experience an electrostatic force. Electric field strength. The force per unit positive charge placed in an electric field. Dipole. A pair of opposite sign charges separated by a small distance (e.g. a polar molecule like HCl) Coloumb's Law. The force between two charges is proportional ... crowded waiting room