Salt from Rock Salt

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Salt Preparation: How to produce large crystals from a saturated salt solution

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Salts: Different ways in which both soluble & insoluble salts may be formed

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Smoke Cell

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Solder

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Solid: Proximity Motion & Energy of Particles

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Solubility (polar and non-polar substances)

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Solubility in Water

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Solubility of substances in ethanol (alcohol)

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Solubility: How heat, surface area of the solid, volume of solvent and stirring affect the rate of dissolving

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Solubilityof gases in water & how solubility changes with rising temperature

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Solubilty & Solubility Curves

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States of Matter (including changes of state)

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Steel: Types of steels - Compositions, Properties and Uses

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Sublimation

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Sulphur Dioxide: Harm caused to the Environment

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Sulphur Dioxide: Production from fossil fuels and its contribution to Acid Rain.

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Sulphur: Combustion to form SO2

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Sulphur: Structures and physical properties of the allotropes of sulphur (rhombic, monoclinic & plastic)

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Sulphuric Acid (Concentrated): Its dehydration of both Glucose and Hydrated CuSO4

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Sulphuric acid: Manufacture in the Contact Process (include mention of the importance of the Industrial Process)

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Sulphuric acid: Precautions necessary in handling and diluting concentrated sulphuric acid

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Sulphuric acid: Reaction with soild sodium chloride - to produce hydrogen chloride gas and NaHSO4

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Thermal Decomposition of Metal Carbonates

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Thermal Stability of metal carbonates.

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Titrations: How to perform a titration

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Uses of Metal Compounds: Al(OH)3 - in antacid

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Uses of Metal Compounds: Ca(OH)2  - in agriculture and gardening to neutralise an acid soil

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Uses of Metal Compounds: CaCO3 - in cement manufacture, in blackboard chalk, to remove slag in the B. Furnace

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Uses of Metal Compounds: CaSO4 - in Plaster of Paris, blackboard chalk and white-line road markings

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Uses of Metal Compounds: NaCl - for de-icing roads

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Uses of Metal Compounds: NaHCO3 - in cooking and as an antacid

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Uses of Metals: Alumiium (electrical wiring, saucepans and in alloys)

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Uses of Metals: Copper (electrical wiring, plumbing and as a constituent in the coinage alloys and in the alloy brass

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Uses of Metals: Iron (in red blood cells and as a widely used structural material)

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Uses of Metals: Lead (flashing on a roof; in car storage batteries, in the alloy called solder and to form anti-knock)

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Uses of Metals: Magnesium (high strength alloys for aircraft and in distress flares)

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Uses of Metals: Zinc (galvanising and as a constituent of the alloy brass)

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Uses of Metals:Calcium (importance in the body)

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Water Cycle

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Water: Monitoring Purity (ph)

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Water: Monitoring Purity (presence of soluble & insoluble materials)

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Wood's Uses: chairs

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Wood's Uses: others

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Wood's Uses: window frames

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