Chemistry IGCSE Edexcel - Specimen 2017 - Paper 1
Keywords: atom, element.
Keywords: elements, compounds, mixtures, seperating mixtures.
Keywords: reversible reactions, ammonia chloride.
Keywords: reactions of gases, calculating volume, oxygen, percentage oxygen.
Keywords: reactivity of metals, displacement reaction.
Keywords: group 1 elements, alkali metals, pH, universal indicator, reactivity, balancing equations.
Keywords: hydrocarbons, general formula, display formula, isomers, homologous series, burning hydrocarbons.
Keywords: reactions of acids, hydrochloric acid, investigation, concentration rate of reaction, collision theory.
Keywords: crude oil, fractional distillation, saturated hydrocarbons, alkanes, empirical formula.
Keywords: exothermic reation, investigation, temperature increase, calculating enthalpy changes.
Keywords: making salts, ammonium sulfate crystals, filtration, calculating excess, calculating mass, percentage yield.
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