Recall melting and boiling determine which one is Pure elements and points. not pure water. compounds melt and boil at specific temperatures. Identify the contents of Melting point and boiling mineral waters sold as pure point data can be used to water. distinguish pure substances from mixtures. Draw diagrams to illustrate pure distilled with In everyday language, a bottled water. pure substance can mean a substance that has had nothing added to it, so it is unadulterated and in its natural state, eg pure milk. 5.8.1.2 A formulation is a mixture Identify formulations given 1 Define the terms: Making soap: that has been designed as appropriate information. mixture • a useful product. Many formulation. Making glue: • products are complex Students do not need to mixtures in which each know the names of out one or more of the Making cut flower chemical has a particular components in proprietary applied chemistry preservative: purpose. products. experiments. Comparing detergents: Formulations are made by Produce a display that mixing the components in WS 1.4, 2.2 describes the composition Producing a foam: carefully measured of the one of the following quantities to ensure that formulations: Making milk of Magnesia: the product has the fuel • required properties. cleaning agents Investigating pigments: • Formulations include fuels, paints • cleaning agents, paints, medicines • alloys Making fertiliser: •
Pure elements and compounds melt and boil at specific temperatures. Melting point and boiling point data can be used to distinguish pure substances from mixtures. In everyday language, a pure substance can mean a substance that has had nothing added to it, so it is unadulterated and in its natural state, eg pure milk. Recall melting and boiling points. Identify the contents of mineral waters sold as pure water. Draw diagrams to illustrate pure distilled with bottled water. determine which one is not pure water. 5.8.1.2 A formulation is a mixture that has been designed as a useful product. Many products are complex mixtures in which each chemical has a particular purpose. Formulations are made by mixing the components in carefully measured quantities to ensure that the product has the required properties. Formulations include fuels, cleaning agents, paints, Identify formulations given appropriate information. Students do not need to know the names of components in proprietary products. WS 1.4, 2.2 1 Define the terms: • mixture • formulation. out one or more of the applied chemistry experiments. Produce a display that describes the composition of the one of the following formulations: • fuel • cleaning agents • paints • medicines • alloys Making soap: Making glue: Making cut flower preservative: Comparing detergents: Producing a foam: Making milk of Magnesia: Investigating pigments: Making fertiliser:
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