OCR Chemistry Unit 1 Quiz A little quiz about unit 1 chemistry. 3.0 / 5 based on 1 rating ? ChemistryBonding & shapesASOCR Created by: Daniel LukeCreated on: 22-05-13 20:50 What type of reaction involves the same element being oxidized and reduced simultaneously? Disproportionation 1 of 6 Colour of bromine mixed in organic solvent. Orange 2 of 6 Shape of PCl5. Trigonalbipyramidal 3 of 6 When the H+ ion of an acid is replaced by a metal ion or NH4+ ion, what is produced? Salt 4 of 6 What is the term used in chemistry for a sunstance which does not contain water. Anhydrous 5 of 6 What is the region within an atom, which can hold up to two electrons with opposite spins, called? Orbital 6 of 6
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