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1 × hydrolysis 1 × relative formula mass 1 × mass number 1 × mixtures 1 × alkanes 1 × miscibility 1 × environmental pollution 1 × chlorine compounds 1 × bond breaking 1 × bond formation 1 × enthalpy notation 1 × enthalpy 1 × by-products 1 × production of sodium carbonate 1 × solvay process 1 × products 1 × energy level diagrams 1 × nitrogen (iv) oxide preparation 1 × chemical family 1 × pattern in properties 1 × properties of metals 1 × alloys 1 × zinc 1 × preparation of salts 1 × sulphuric acid properties 1 × chemical reaction scheme 1 × magnetic effect of electric currents 1 × atoms 1 × electron sharing 1 × crt

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