'Anhydrous copper sulphate' presentation slideshows

PHYSICAL CHARACTERISTICS OF WATER

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Making Changes

Making Changes. Topic overview. The topic can be conveniently split into six interrelated sections Oxidation/Reduction Salts Preparation of gases Metal extraction Reactions of carbonates Hydration. Oxidation & Reduction. A substance is oxidised when It gains oxygen Or loses hydrogen

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Endothermic and Exothermic Reactions

Endothermic and Exothermic Reactions. Objective: Whenever chemical reactions occur, energy is transferred to or from the surroundings. An exothermic reaction is one which transfers heat energy to the surroundings.

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